Solving The Hacker News Problem
Ah yes, the cycle of website life.* Hot new community forms at Site X.* Site X residents refer to themselves as the New Wave of whatever. Much better than older Site W because of features/members/dynamic/demographics 1, 2 and 3!* Site X's reputation spreads to former hot new sites T, U, V and W. Site X begins to attract more and more new users.* Site X denizens begin linking articles at T, U, V, W and vice versa.* Site X begins to exhaust natural topics of conversation. Denizens of more than 3 months standing become sick of 100th 
"What does Site X think about AlphaGamma?" post and begin to slap down newbies.* Someone reminisces out loud about the Golden Days of Site X.* Discussions on Site X become more and more about Site X. Extremely intelligent individuals begin to earnestly argue that their proposed feature will save Site X from itself.* Someone proposes or launches Site Y. A how new community begins to form there ...I've been watching this same story play itself out since Slashdot circa 1998.