Various gameplay aspects, missions, suggestions, feature requests, bug reports.
No I'm sorry, too much. I have tried 10 minutes, 40 minutes, 1 hour, 2 hours... still too many in air specially when it's 40-70 players online. It gets very annoying and boring because of so many players, there is not much "cooling down" taking place. Also, we don't have 70 players playing all the 12 hours, so every time a new player comes in, he can buy one of these and it just gets too tiring.