(DIR) xkcd - A Webcomic of Romance, Sarcasm, Math and Language.
 (DIR) Floodgap Gopher Fun and Games
        
       xkcd - A Webcomic - Credit Card Rewards (1908)
        
       Image:
 (PNG) credit_card_rewards.png
        
       I should make a list of all the things I could be trying to
       optimize, prioritized by ... well, I guess there are a few
       different variables I could use. I'll create a spreadsheet ...
        
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