A growing concern among employers is that they’re hiring people with a large social media history that maybe distasteful. One of the questions is whether you can take into consideration in your hiring process what people have posted online, and the answer clearly is yes. There is nothing wrong with using that information. The question is whether you’re getting that information in a way that raises the inference of discrimination.  In other words, if you go out and look solely at black applicants’ Facebook pages and don’t look at the white suburbanites’ Facebook pages, you’ve got a problem with discrimination. If you’re going to take this into consideration, do it universally.