Subj : Meta's AI manifesto ¨, TikTok Footnotes ¨, fast software ¨¨ To : All From : TLDR Date : Thu Jul 31 2025 10:47:00 --5Ub8v6Xw Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Mark Zuckerberg is extremely optimistic that superintelligence will help = humans accelerate their pace of progress and begin a new era=C2=A0= =E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2= =A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C= =C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80= =8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0= =E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2= =A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0= =E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2= =A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C= =C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80= =8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0= =E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2= =A0 Sign Up [1] |Advertise [2]|View Online [3]=20 =09=09TLDR = =09=09TOGETHER WITH [Pacaso] [4] TLDR 2025-07-31 =F0=9F=93= =88=C2=A0INVEST IN PACASO =E2=80=94 A STARTUP FOUNDED BY AN EX-ZILLOW EXEC= THAT'S ALREADY CROSSED $110M+ IN GROSS PROFITS (SPONSOR) [4]=20 =09* = Pacaso is proven proptech powerhouse [4] founded by former Zillow executi= ve Austin Allison, who sold his first venture for $120M =09* The company= is already a market leader [4] in vacation home co-ownership, with 2,000= + homeowners and $110M+ in gross profits in its operating history. =09= * Having built a sustainable competitive advantage, Pacaso is now expandi= ng globally, with new homes added in Paris, London, and Cabo within the p= ast year. Join notable investors like Fifth Wall and Maveron=E2=80= =94invest early and share in Pacaso's global growth. [4] = =F0=9F=93=B1=20 BIG TECH & STARTUPS TIKTOK INTRODUCES COMMUNITY NO= TES IN THE FORM OF FOOTNOTES, A NEW FACT-CHECKING TOOL (2 MINUTE READ) [5= ]=20 TikTok's Footnotes is officially rolling out in the US for users i= n the pilot program. There are around 80,000 users contributing to TikT= ok's version of Community Notes - all of them have had active TikTok acco= unts for at least six months, live in the US, haven't had community guide= lines violations in the past six months, and are at least 18 years old. F= ootnotes will be moderated with a combination of automated moderation and= human moderation. Users can report footnotes they think are untrue or br= eak TikTok's rules.=20 TESLA TAKES FIRST STEP IN SUNSETTING MODEL S AND= X WITH DRASTIC MOVE (3 MINUTE READ) [6]=20 Tesla could be sunsetting= the Model S and Model X as it has ended international orders. The two ol= dest cars in the company's lineup, the vehicles account for a very small = portion of overall sales. Tesla doesn't make enough of the Model S or Mod= el X units to justify the expensive logistics process of shipping custom = orders overseas. It is possible the company may build a bunch of random c= onfigurations, send them overseas every few months, and let them sell bef= ore replenishing inventory.=20 =F0=9F=9A=80=20 SCIENCE & FUTURISTIC= TECHNOLOGY THE SCIENCE BEHIND REGROWING MISSING TEETH (3 MINUTE READ= ) [7]=20 Clinical trials for a drug that could eventually help people r= egrow missing or damaged teeth have begun in Japan. While humans typicall= y grow two sets of teeth in their lifetime, the buds necessary to grow a= third set still exist. The drug blocks a protein that limits tooth gro= wth. The researchers hope to roll the drug out to the wider public by 203= 0.=20 HELION BREAKS GROUND ON WHAT COULD BE THE WORLD'S FIRST FUSION PL= ANT DESPITE SIGNIFICANT UNCERTAINTY (3 MINUTE READ) [8]=20 Helion Ene= rgy has started site work on its commercial fusion power plant. The compa= ny's first facility is scheduled to start operating in 2028. It is buildi= ng a 50 megawatt reactor to power Microsoft's data centers in the region.= The entire tech sector is scrambling for new clean energy sources to pow= er the servers that support artificial intelligence. Helion has spent 12 = years on research and development and building prototypes in preparation = for this deployment.=20 =F0=9F=92=BB=20 PROGRAMMING, DESIGN & DATA SC= IENCE HOW DELVE TURNED 4 NEWSLETTER ADS INTO $1M PIPELINE (SPONSOR) [= 9]=20 Delve ran just 4 ads in TLDR newsletters. The payoff? =09* 6= 6 high-quality leads (including enterprise companies) =09* $1M in pipelin= e =09* 52x ROI We break down Delve's exact strategy, detailed result= s, and share the actual ads that crushed it. Read the Delve case stu= dy. [9] FAST (4 MINUTE READ) [10]=20 Fast software changes behavi= or. Fast eliminates cognitive friction and signals simplicity, which is r= are in the world where code and content are commodities. Making software = fast often requires stripping away non-essential features - the ultimate = expression of respect in a world obsessed with adding rather than refinin= g. It means the developer has thought deeply about what matters and elimi= nated everything else.=20 CHOOSE BORING TECHNOLOGY, REVISITED (4 MINU= TE READ) [11]=20 Choose novel technology when trying to learn something= new and use boring technology when trying to solve a problem. Boring tec= hnologies have known failure modes, well-understood capabilities, and pro= ven operational reliability. The advent of large language models and agen= t AI coding tools has made this principle even more critical. Developers= who use technologies unknown to them have no way of verifying whether = AI is leading them down the wrong path.=20 =F0=9F=8E=81=20 MISCELLANE= OUS PERSONAL SUPERINTELLIGENCE (4 MINUTE READ) [12]=20 Mark Zucke= rberg says that the development of superintelligence is now in sight. He = is extremely optimistic that superintelligence will help humans accelerat= e their pace of progress and begin a new era of personal empowerment wher= e people will have greater agency to improve the world in the directions = they choose. Meta's vision is to bring personal superintelligence to ever= yone to help them achieve goals, create what they want to see in the worl= d, experience any adventure, and grow to become the person they aspire to= be. It believes that the benefits of superintelligence should be shared = with the world as broadly as possible.=20 WHY I BELIEVE IN AGI (AGAIN= ) (14 MINUTE READ) [13]=20 ChatGPT now seems to understand what it read= s. The use of reasoning models shows that ChatGPT can be creative. It can= summarize texts extremely well, a robust measure of intelligence. AI pro= ducts now pay for AGI research, which means that AI has reached early sta= ges of the long-awaited self-improvement loop.=20 =E2=9A=A1=20 QUIC= K LINKS AGENTIC CODING THINGS THAT DIDN'T WORK (8 MINUTE READ) [14] = The big hidden risk with automation through large language models is= that it encourages mental disengagement, resulting in engineers overes= timating agents' capabilities.=20 THE MATH IS HAUNTED (11 MINUTE READ) = [15]=20 Lean is a programming language that lets mathematicians treat= mathematics as code.=20 META & STANFORD'S THIN HOLOGRAPHIC DISPLAY B= RINGS "VR GLASSES" CLOSER TO REALITY (5 MINUTE READ) [16]=20 Meta and= Stanford recently released a paper describing a prototype pair of VR gla= sses with a total optical stack thickness of less than 3 millimeters.=20 = VIBE CODE IS LEGACY CODE (6 MINUTE READ) [17]=20 Vibe coding is per= fect for prototypes and throwaway projects because the code doesn't have = to be maintained - anything more serious needs a more careful approach. = A DIVE INTO OPEN CHAT PROTOCOLS (57 MINUTE READ) [18]=20 A look = at the current ecosystem of chat protocols, the problems that exist, and = possible solutions to make a better open chat protocol.=20 A SHORT POST= ON SHORT TRAINS (10 MINUTE READ) [19]=20 The single biggest cost for a= ny metro system is the stations - a system that uses smaller trains would= result in smaller stations and huge cost savings.=20 Love TLDR? Tell = your friends and get rewards! Share your referral link below with fri= ends to get free TLDR swag!=20 https://refer.tldr.tech/1fd848fa/ [20] = =09=09Track your referrals here. [21] Want to advertise in TLDR?= =F0=9F=93=B0 If your company is interested in reaching an audience o= f tech executives, decision-makers and engineers, you may want to ADVERTI= SE WITH US [22].=20 Want to work at TLDR? =F0=9F=92=BC APPLY HER= E [23] or send a friend's resume to jobs@tldr.tech and get $1k if we hire= them!=20 If you have any comments or feedback, just respond to this em= ail!=20 Thanks for reading,=20 Dan Ni [24] & Stephen Flanders [25]=20 = Manage your subscriptions [26] to our other newsletters on tech, star= tups, and programming. Or if TLDR isn't for you, please unsubscribe [27].= =20 =20 Links: ------ [1] https://tldr.tech/signup?utm_source=3Dt= ldr [2] https://advertise.tldr.tech/?utm_source=3Dtldr&utm_medium=3Dnewsl= etter&utm_campaign=3Dadvertisetopnav [3] https://a.tldrnewsletter.com/web= -version?ep=3D1&lc=3Db5bb39ac-a04f-11ee-8692-6388dbdd6fd1&p=3D73a85b44-6de9= -11f0-8db5-3bb5a4a655e6&pt=3Dcampaign&t=3D1753958820&s=3D5ab4a8f3830b3010f1= b76319755f05dbd5bb56d70dc0326e4b8986ee40308fc1 [4] https://invest.pacaso.= com/?utm_source=3Demail&utm_medium=3Dpaid-partnership&utm_campaign=3Dpartne= rship30-362_07-31_10758330809 [5] https://mashable.com/article/tiktok-lau= nches-footnotes-pilot-program?utm_source=3Dtldrnewsletter [6] https://www= ..teslarati.com/tesla-takes-first-step-sunsetting-model-s-and-x-drastic-move= /?utm_source=3Dtldrnewsletter [7] https://theweek.com/health/the-science-= behind-regrowing-missing-teeth?utm_source=3Dtldrnewsletter [8] https://li= nks.tldrnewsletter.com/L4rEtA [9] https://advertise.tldr.tech/case-studie= s/delve-drives-1m-in-attributed-pipeline-52x-roi-through-tldr-ads/?utm_sour= ce=3Dtldr&utm_medium=3Dnewsletter&utm_campaign=3Dsecondary07312025 [10] h= ttps://www.catherinejue.com/fast?utm_source=3Dtldrnewsletter [11] https:/= /www.brethorsting.com/blog/2025/07/choose-boring-technology,-revisited/?utm= _source=3Dtldrnewsletter [12] https://www.meta.com/superintelligence/?utm= _source=3Dtldrnewsletter [13] https://guzey.com/why-i-believe-in-agi-agai= n/?utm_source=3Dtldrnewsletter [14] https://lucumr.pocoo.org/2025/7/30/th= ings-that-didnt-work/?utm_source=3Dtldrnewsletter [15] https://overreacte= d.io/the-math-is-haunted/?utm_source=3Dtldrnewsletter [16] https://www.up= loadvr.com/meta-stanford-synthetic-aperture-waveguide-holography-vr-glasses= -research/?utm_source=3Dtldrnewsletter [17] https://blog.val.town/vibe-co= de?utm_source=3Dtldrnewsletter [18] https://wiki.alopex.li/ADiveIntoOpenC= hat#a-dive-into-open-chat-protocols?utm_source=3Dtldrnewsletter [19] http= s://shakeddown.substack.com/p/a-short-post-on-short-trains?utm_source=3Dtld= rnewsletter [20] https://refer.tldr.tech/1fd848fa/ [21] https://hub.spa= rklp.co/sub_32edf8dd66ae/1 [22] https://advertise.tldr.tech/?utm_source= =3Dtldr&utm_medium=3Dnewsletter&utm_campaign=3Dadvertisecta [23] https://= jobs.ashbyhq.com/tldr.tech [24] https://twitter.com/tldrdan [25] https:= //twitter.com/SteveFlanders22 [26] https://tldr.tech/tech/manage?email=3D= tldr%40synchro.net [27] https://a.tldrnewsletter.com/unsubscribe?ep=3D1&l= =3Dcfa2d55a-b7be-11e8-a3c9-06b79b628af2&lc=3Db5bb39ac-a04f-11ee-8692-6388db= dd6fd1&p=3D73a85b44-6de9-11f0-8db5-3bb5a4a655e6&pt=3Dcampaign&pv=3D4&spa=3D= 1753956054&t=3D1753958820&s=3D231b330830108e2bf1e5b727cc59ffece530ade450ca9= 2b53f09b8e6fc62ba6e --5Ub8v6Xw Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable TLDR
Mark Zucke= rberg is extremely optimistic that superintelligence will help humans accel= erate their pace of progress and begin a new era =E2=80=8C =E2=80= =8C =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C =E2=80= =8C =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C =E2=80= =8C =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C =E2=80= =8C =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C =E2=80= =8C =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C  = =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C = =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C = =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C = =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C = =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C = =E2=80=8C 

TLDR

Together With 3D"Pacaso"<= /td>

TLDR 2025-07-31

=F0=9F=93=88 Invest in= Pacaso =E2=80=94 a startup founded by an ex-Zillow exec that's already cro= ssed $110M+ in gross profits (Sponsor)
  • Pacaso is proven proptech powerhouse founded by former Zillow executive Austin Allison, who sold his firs= t venture for $120M
  • The company is already a market leader in vacation home co-ownership, = with 2,000+ homeowners and $110M+ in gross profits in its operating history= ..
  • Having built a sustainable competitive advantage, Pacaso is now expandi= ng globally, with new homes added in Paris, London, and Cabo within the pas= t year.

Join notable investors like Fifth Wall and Maveron=E2=80=94invest early and share = in Pacaso's global growth.

=F0=9F= =93=B1

Big Tech & Startups

TikTok introduces Community= Notes in the form of Footnotes, a new fact-checking tool (2 minute read)

TikTok's Footnotes is officially rollin= g out in the US for users in the pilot program. There are around 80,000 use= rs contributing to TikTok's version of Community Notes - all of them have h= ad active TikTok accounts for at least six months, live in the US, haven't = had community guidelines violations in the past six months, and are at leas= t 18 years old. Footnotes will be moderated with a combination of automated= moderation and human moderation. Users can report footnotes they think are= untrue or break TikTok's rules.
Tesla takes first step in s= unsetting Model S and X with drastic move (3 minute read)

Tesla could be sunsetting the Model S a= nd Model X as it has ended international orders. The two oldest cars in the= company's lineup, the vehicles account for a very small portion of overall= sales. Tesla doesn't make enough of the Model S or Model X units to justif= y the expensive logistics process of shipping custom orders overseas. It is= possible the company may build a bunch of random configurations, send them= overseas every few months, and let them sell before replenishing inventory= ..
=F0=9F= =9A=80

Science & Futuristic Technology

The science behind regrowin= g missing teeth (3 minute read)

Clinical trials for a drug that could e= ventually help people regrow missing or damaged teeth have begun in Japan. = While humans typically grow two sets of teeth in their lifetime, the buds n= ecessary to grow a third set still exist. The drug blocks a protein that li= mits tooth growth. The researchers hope to roll the drug out to the wider p= ublic by 2030.
Helion breaks ground on wha= t could be the world's first fusion plant despite significant uncertainty (= 3 minute read)

Helion Energy has started site work on = its commercial fusion power plant. The company's first facility is schedule= d to start operating in 2028. It is building a 50 megawatt reactor to power= Microsoft's data centers in the region. The entire tech sector is scrambli= ng for new clean energy sources to power the servers that support artificia= l intelligence. Helion has spent 12 years on research and development and b= uilding prototypes in preparation for this deployment.
=F0=9F= =92=BB

Programming, Design & Data Science

How Delve turned 4 newslett= er ads into $1M pipeline (Sponsor)

Delve ran just 4 ads in TLDR newsletter= s. The payoff?

  • 66 high-quality leads (including enterprise co= mpanies)
  • $1M in pipeline
  • 52x ROI

We break down = Delve's exact strategy, detailed results, and share the actual ads that cru= shed it.

Read the Del= ve case study.

fast (4 minute read)

Fast software changes behavior. Fast el= iminates cognitive friction and signals simplicity, which is rare in the wo= rld where code and content are commodities. Making software fast often requ= ires stripping away non-essential features - the ultimate expression of res= pect in a world obsessed with adding rather than refining. It means the dev= eloper has thought deeply about what matters and eliminated everything else= ..
Choose Boring Technology, R= evisited (4 minute read)

Choose novel technology when trying to = learn something new and use boring technology when trying to solve a proble= m. Boring technologies have known failure modes, well-understood capabiliti= es, and proven operational reliability. The advent of large language models= and agent AI coding tools has made this principle even more critical. Deve= lopers who use technologies unknown to them have no way of verifying whethe= r AI is leading them down the wrong path.
=F0=9F= =8E=81

Miscellaneous

<= /div>
Personal Superintelligence = (4 minute read)

Mark Zuckerberg says that the developme= nt of superintelligence is now in sight. He is extremely optimistic that su= perintelligence will help humans accelerate their pace of progress and begi= n a new era of personal empowerment where people will have greater agency t= o improve the world in the directions they choose. Meta's vision is to brin= g personal superintelligence to everyone to help them achieve goals, create= what they want to see in the world, experience any adventure, and grow to = become the person they aspire to be. It believes that the benefits of super= intelligence should be shared with the world as broadly as possible.
Why I believe in AGI (again= ) (14 minute read)

ChatGPT now seems to understand what it= reads. The use of reasoning models shows that ChatGPT can be creative. It = can summarize texts extremely well, a robust measure of intelligence. AI pr= oducts now pay for AGI research, which means that AI has reached early stag= es of the long-awaited self-improvement loop.
=E2=9A= =A1

Quick Links

Agentic Coding Things That = Didn't Work (8 minute read)

The big hidden risk with automation thr= ough large language models is that it encourages mental disengagement, resu= lting in engineers overestimating agents' capabilities.
The Math Is Haunted (11 min= ute read)

Lean is a programming language that let= s mathematicians treat mathematics as code.
Meta & Stanford's Thin = Holographic Display Brings "VR Glasses" Closer To Reality (5 minute read)

Meta and Stanford recently released a p= aper describing a prototype pair of VR glasses with a total optical stack t= hickness of less than 3 millimeters.
Vibe code is legacy code (6= minute read)

Vibe coding is perfect for prototypes a= nd throwaway projects because the code doesn't have to be maintained - anyt= hing more serious needs a more careful approach.
A dive into open chat proto= cols (57 minute read)

A look at the current ecosystem of chat= protocols, the problems that exist, and possible solutions to make a bette= r open chat protocol.
A short post on short train= s (10 minute read)

The single biggest cost for any metro s= ystem is the stations - a system that uses smaller trains would result in s= maller stations and huge cost savings.

Love TLDR? Tell your friends and get rewards!

Share your referral link below with friends to get free TLDR swag!
https://refer.tldr.tech/1fd848fa/
Trac= k your referrals here.

Want to advertise in TLDR? =F0=9F=93=B0

If your company is interested in reaching an audience of tech executives, d= ecision-makers and engineers, you may want to advertise with us.

Want to work at TLDR? =F0=9F=92=BC

Apply here or send a friend's resume to jobs@tldr.tech and get $1k if we hire them!

If you have any comments or feedback, just respond to this email!

Thanks for reading,
Dan Ni &a= mp; Stephen = Flanders


Manage your subscriptions to our other newsletters on tech, st= artups, and programming. Or if TLDR isn't for you, please unsubscribe.
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