Expression found on Facebook to indicate the section of your profile that shows everything you do on Facebook, from changing a fact in your profile (like your taste in films), to posting a new comment or photo.
Don’t forget that everything you do on Facebook leave a trail, it really is there for posterity! Unless, that is, you set your privacy settings so that not all the information becomes public, or restricting certain kinds of information to your “friends”. But, there are geeks out there who boast that they can hack into the protected sections, so do be careful.