Facebook is the de facto social networking site today, but you shouldn't forget about the rest of the sites, since their services are used by quite a lot of people as well. They are somewhat different from Facebook, so there are a few guidelines to consider when using them.
According to a 2017 survey done by the National Association of Realtors, 51% of buyers found the home they purchased through the internet; that number has probably grown in the past few years.