Google: What do new rules mean for you?
Internet giant Google has implemented its new privacy policy despite warnings from the EU that it may violate European law.
The change means private data collected by one Google service can be shared with its other platforms including YouTube, Gmail and Blogger.
But data regulators in France have launched a Europe-wide investigation after expressing doubts about the legality of the policy.
Rory Cellan-Jones reports on what it means for Google's users.