A source for this picture?
And everybody shits on google for trying to tie personalization to everything.<p>Do you want to sort your apps by the the rank and reviews of chinese laborors? Or do you want it to prioritize ratings by people you actually know?<p>Personalization is really the only way to nuke the arms race that is fraud/spam detection and crowd-sourced data.<p>There is no perfect answer. Just more abstract games to play.