I'm assuming that people's posts are starting to get shorter and shorter. One of the things that tend to separate FRC Forums from others is the lack of the "Dito" and "LOLZ" messages and such things. Longer posts tend to both be better thought out and more grammatically correct. Indeed, before posting long posts, most people will reread what they wrote to makes sure it makes sense and akes a point. Also, if people are discouraged from posting short messages, people will tend to not post just for the sake of postings. That will increase the usefulness of posts, and in turn increase the enjoyability of the threads themselves.
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Does that sound about right?
Penny Arcade search engine that actually works.
EDIT: Seriously, any particular examples? I'm curious ^_^