Google this week said it would anonymise user data received through search requests entered in its search engine and Chrome browser.
Microsoft has updated its privacy policy promising to remove the Internet Protocol (IP) address and other identifying data associated with Web searches after 18 months.
A European Commission advisory body has suggested that search companies delete data collected about their users after six months a far cry from what most companies currently do.
Google's move to cut the lifespan of its cookie's to a rolling two years may not be enough to appease a European Union privacy group whose major concern is server log data use.
Collaboration tools, podcasting and desktop search are emerging as key technology themes but other once-fashionable technologies are stuck in the mud, says Gartner.
Discovering how your favourite search engine protects your privacy is not an easy task, despite recent moves from the major players to make policies more transparent.
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