Google tracks gamers, and they can predict your purchases

By default, Google keeps track of user browsing histories. Many game players are also Google users, so they can follow your game-playing habits from the time you searched “XCOM release date” to “XCOM walkthrough.” Some interesting tidbits:

-27% of tip-seekers browse from a mobile device.
-84% of game sales four months after launch can be predicted by Adwords clicks.
-Pre-launch search interest is in publisher-released material.