If you ask community leaders what they think is the basis of a thriving online community,  you’ll often get the response: “Common Interest.” And it’s true; common interest often draws people together. Tightly focused communities around highly targeted content can drive deep audience engagement and impressive business results. However, there is one key risk that even the most active communities face: How do you avoid hitting the wall? And by that, I mean the wall of repetitive content, the exhaustion of key topics, and the subsequent decline in engagement, activity, and traffic. In short, how do you avoid community flameout?