Specifically, the ICO is concerned with how Google’s policies comply with the UK Data Protection Act.
In particular, we believe that the updated policy does not provide sufficient information to enable UK users of Google’s services to understand how their data will be used across all of the company’s products.
There have been a number of other similar requests from European countries since Google made the decision to unify the policies of all its services into one mass policy. The move was originally intended to make it simpler for users and Google, however, clearly some groups don’t find that this has been the case.
Google responded to All Things D with this statement regarding the ICO’s decision: