We spend ~10% of GDP moving people, ~3% moving goods. http://www.nber.org/papers/w20235
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Replying to @robinhanson
@robinhanson@pmarca That problem's already solvable with math: https://keybase.io/2 replies 0 retweets 1 like -
Replying to @paulbaumgart
@paulbaumgart@pmarca I don't mean pretending to be a different person, but manipulating your face and voice to seem likable and trustworthy1 reply 0 retweets 2 likes -
Replying to @robinhanson
@robinhanson@pmarca Ah, different math, then! http://blackhat.com/presentations/bh-dc-08/Krawetz/Presentation/bh-dc-08-krawetz.pdf … (bit more of an arms race than public-key cryptography, admittedly)1 reply 0 retweets 2 likes -
Replying to @paulbaumgart
@paulbaumgart@pmarca Current magazine pict practice says fakers usually win that arms race today for typical readers. Probably won't change1 reply 0 retweets 1 like
@robinhanson @pmarca Especially if you can collect more info about the ambient lighting than there is in just a video (since it's realtime).
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