Hot or Not has expanded into Facebook territory. They have developed an application that has practically all of their existing feature sets but is tied directly into Facebook profiles. You can rate a person and then check out their profile. It is truly a slick application. While Hot or Not is nothing new, this is a huge play by Hot Or Not to hopefully expand their market share. The Facebook demographic is definitely a good one to target given that the average user is relatively young. I think this is one company that can truly benefit from a Facebook presence. If you want to go rate other Facebook users, then go grab the Hot or Not application.