Frequently asking questions gets replies, thus bonding members, increasing participation, and improving a feeling of community.
- Questions induce a mild form of game-show syndrome.
- Members like to guess the answer. It's a mini-competition.
- Members invest their knowledge and reputation into their group and they come back to see the answers.
- Members like to know the best answer. They also like to have others value their opinions.
If you aren't asking a lot of questions in your group, then you are missing out on plenty of opportunities to increase participation.