The weekly report even tells you "how you spend your time per week" based on location information gleaned from GPS signals. A post on the official Google blog this week said:

Internet users watch out! The online search giant Google has unveiled a new "Account Activity" page which can sum up who you've emailed, what devices you've used to access Google and even where you've been. It's an alarming insight into how much information a signed-in Google user actually hands over to the company -- with the report offering a summary of what machines you use, who you email most, and even your location via Google Latitude, the Daily Mail reported Thursday.

The weekly report even tells you "how you spend your time per week" based on location information gleaned from GPS signals. A post on the official Google blog this week said: "We want Google to work so well, it just blends into your life." "Today we’re introducing Account Activity, a new feature in your Google Account. If you sign up, each month we’ll send you a link to a password-protected report with insights into your signed-in use of Google services," said the Google blog.

The move has come in the wake of Google's controversial new "privacy policy", which allowed the search giant to "pool" information from 60 separate services including Gmail, Google Search and Android phones, to create "personalised" advertising.