I am the most concerned that we end up in a situation where your - everything is known about you and so therefore, not only Google, but Google, Facebook, Twitter - the whole set of companies - essentially knows all your weaknesses and therefore how to manipulate you in subtle ways in order to have you do things you might not otherwise do.
Tim WuAdvertising always corrupts the goal of the search engine, which is to try to give you the most important stuff, not the stuff someone paid there to be there.
Tim WuLet's say you're someone's phone, and you notice that your owner is drinking coffee at certain times of the day, just very subtly indicating where the local coffee shop is which happens to have paid, you know, whoever makes your phone at the right moment. I think we're in a future where frankly we are possibly facing little tiny bits of manipulation in all of our waking hours, if we don't have that already.
Tim Wu