Get your audience involved

If you want more followers.... get your audience involved.
If you want more customers... get your audience involved.
If you want more results......... get your audience involved.

I could go on, but I won't. You get the point. Contests, interesting content, discussion... GET YOUR AUDIENCE INVOLVED.

How to Succeed in Business Without Really Trying has done a good job of this. The Broadway show held a contest for its fans. See the winner in the video below: