From Breitbart.com
Google said on Wednesday it would begin routinely purging its data banks of information that identifies search engine users in order to better shield their anonymity.
Google will delete information from “cookies,” bits of software put on computers to track website visits, as well as erase portions of the IP addresses that identify which computer a person is using to get online.
The past practice of the Mountain View, California, Internet search colossus was to keep all logged Web searching details indefinitely.