The 9 Levels of Homestuck-Related Confusion

Level 1 "I'm Pretty New to the Internet": What.
Level 2 "It's On My Dashboard From Time to Time": Where can I watch the anime about the candy corn demons?
Level 3 "Homestruck": Homestruck.
Level 4 "My Friends Always Talk About It and I Feel Left Out": Can someone please explain to me what Homestuck is about? I want to know what people like so much about it.
Level 5 "Acts I-II": What the fuck is happening?
Level 6 "Act III-IV": Wow, I really don't know what the fuck is happening.
Level 7 "Act V": But /why/ must he die, Andrew Hussie?
Level 8 "Let Me Tell You About The Fandom": No really, which act was the security guard in?
Level 9 "The Seasoned Fan": Haha, what.