I've barely posted since 2009 and I still recognise almost everybody so the number of new people must be pretty small. A good few have left, most have just eased off the frequency they use here, I don't think it has anything to do with the site more the community just became stale with the same people together for a long time. There comes a point where you just don't want to read the same Ulti, vlado, ertyu, gay rights or atheism topics that have been on repeat for 9 years.
Though its amazing the community has stayed together this long, it was a community created so suddenly purely for events in 2002 and 2003, its amazing that it stuck so strong to survive independent of contests.
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Smurf, the cream of Sonic fanboyism