Your location can be triangulated even if you don't use a cell phone registered to yourself.

Using a VPN, you reduce the chances that your internet use will be traced back to you.

Facebook has a staggering amount of personal information about most of their users. While not necessarily on the same level as personal phone calls, it should still be a concern of anyone that uses social networks.

Try to actually make a case next time you post. Saying "Nuh uh, nuh uh" over and over makes you look like an ass.