needn't even be limited to "what user clicks after search" could simply be "what user clicks"
They're trying to link Content A and Content B, where "Content" includes page content, URL(including GET string terms), and various other factors. Could happen on every page.
Google-fans then tend to get a bit knicker-twisty about privacy implications, but first I dislike that line of argument as it confuses the issue (what are we mad at, the copying or the privacy? Oh I know, we'll say copying and when someone rebuts that we'll start whining about privacy), and secondly, as patio11 eloquently said: Google doesn't really want to get into a heated discussion about the evils of a search engine knowing everything you've ever searched for. Stones, glass houses, etc. ( http://news.ycombinator.com/item?id=2165682 )
They're trying to link Content A and Content B, where "Content" includes page content, URL(including GET string terms), and various other factors. Could happen on every page.
Google-fans then tend to get a bit knicker-twisty about privacy implications, but first I dislike that line of argument as it confuses the issue (what are we mad at, the copying or the privacy? Oh I know, we'll say copying and when someone rebuts that we'll start whining about privacy), and secondly, as patio11 eloquently said: Google doesn't really want to get into a heated discussion about the evils of a search engine knowing everything you've ever searched for. Stones, glass houses, etc. ( http://news.ycombinator.com/item?id=2165682 )