Lots. Mostly just posting on the forums when they were busy. It really felt like a community and was part of my daily routine as a kid. I'd come on, do some Q&A submissions for my games, then hop on the forums. A lot of it is just nostalgia for being a kid with no responsibilities.
Way, way back in the day the Teams section (not sure if it's even still a thing) used to be part of the forums. Teams were just like hangout spots to post in with no real topic. That's where I got started posting, great memories there. This would've been like early 2007.