There's an embarrassment of riches when looking to set up an online community these days. Christopher Penn gave a super helpful presentation on private social media communities at B2B Forum last fall.

Uyi Abraham came to America with only $100 and now is founder of Vonza, an all-in-one software for creators to sell online. In the digital age, communities are the backbone of successful businesses.

If yours is a business keen on community-building, know this: There must be real value present — and it's a two-way street. A key trend for today’s businesses is building communities around their ...