Hey, co-author here. this is indeed supposed to be an advertisement (we're not the first to do that, Sacha Greif and others have done it before) but we're also

Hey, co-author here. this is indeed supposed to be an advertisement (we're not the first to do that, Sacha Greif and others have done it before) but we're also looking for feedback. we chose hipchat instead of campfire because of the desktop app and the easier pricing.