Discussing pop culture events in hit threads, like the Beyonce/Jay Z/Solange elevator incident. My family and friends would see that on the news and be like "hmm, I wonder what happened" whereas I would want to discuss it for hours on end with people who love pop culture as much as I do.
Also, ATRL has the freshest tea As soon as a single drops or an album leaks or artists are rumoured to be collaborating because they've been photographed together, you can guarantee you'll hear it here before anywhere else.