New Sites Make It Easier To Spy on Your Friends - WSJ.com This article does not break any new ground, but does a nice job of listing and discussing a number of tools one can use to gather information on people. They pull from on-line information sources as well as public records for things like criminal history. For employers, it would be a good place to start before hiring someone to do a full background check.The big take away at the end is that you need to make sure you reduce your Internet footprint, specifically by taking care to check the privacy box on many sites, and to simply provide no or false information to others. For example, although I would never provide a wrong age to gain access to a restricted website, I almost never provide my correct birthday because to many other sites (like banks) use that as part of your identity verification.