Facebook launches tool that lets users see and control data shared with apps, websites

Facebook is making it easier for users to see and control the data that apps and websites share with the social network by launching a new tool called Off-Facebook Activity. The new feature will be gradually rolled out to Facebook users in Ireland, South Korea, and Spain. However, Off-Facebook Activity will be made available to everywhere over the coming months, so don't lose hope if you're not living in any of these countries.

But what exactly is Off-Facebook Activity and is it as useful as Facebook claims? Well, first off, you can see a summary of the information other app and websites ...