What does Google get from +1? 5 points by ulvund 15y ago ↗ HN Is it for the search engine rankings? Is it for targeting to more clearcut demographics with ads? (which is a huge business)Is it usable for anything else?
[–] schraeds 15y ago ↗ More data about your interests and browsing habits (great for serving ads against), crowdsourced site rankings and trends, stickiness when a user bookmarks a large number of sites with +1
[–] jigs_up 15y ago ↗ Google can track your activity on every website that uses the +1 button. I'm sure you can figure out why that would be useful?
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