
I know it had new owners but still, it's a rival in the sense all website are rivals with each other for peoples attention. It looks from the comments like it was ebaum and not 4chan. Maybe once it started the first people to hear were 4chan.
( , Thu 21 May 2009, 10:39, Reply)

maybe a legal loophole but I would'nt want to challenge it ;)
( , Thu 21 May 2009, 10:49, Reply)

they'd often leave clues/comments on their "raids" eluding to the fact that it was all down to ebaumsworld.
in fact this quote is taken from encyclopediadramatica.com/Ebaumsworld
"On a lighter note, all raids performed by any sect of Anonymous is automatically the work of eBaum's World. No exceptions."
( , Thu 21 May 2009, 14:33, Reply)