Well this is awesome:
Readers [of The Atlantic] were invited to pitch stories and give feedback on existing articles, as well as observe the pitching and editing process — something that usually takes place in chatroom client Campfire — between full-time staff. Instead of Campfire, The Atlantic Wire moved operations to an open comments thread.
They apparently threw credit to people who made pitches:
All kinds of awesome, and something I can’t wait to (figure out how to) try.