Do you use Facebook?

Consider adding a touch more privacy to Facebook. If you use Firefox as your bowser, Google "firefox prism" and install the add-on. (It only takes a few seconds.) Then, when you have Facebook open within Firefox, go to Tools > Convert Website to Application. This will create a standalone browser application for Facebook, and it won't see the rest of your online activity. To hear discussion of the issues, you can go to
http://www.sciencefriday.com/program/archives/201005214