It follows the firm's decision in March to consolidate 60 separate privacy policies into a single agreement.
The move allowed it to pool data from across its products, including use of its video site YouTube, social network Google+ and smartphone system Android - potentially helping it target adverts.
Privacy expert and former European Union commissioner Auke Haagsma - who is now director of the Microsoft-funded lobby group Icomp - gave his response to the move.
16 Oct 2012
- From the section Technology