What: By now the conversation on social media is less about what it is and much more about how it can be used. With her tech PR background, Sumaya Kazi is leveraging popular platforms such as Facebook and LinkedIn by connecting people to others they don't know, but should.

"Existing social networks are really focused on reinforcing existing personal relationships," says Kazi, CEO and founder of San Francisco-based startup Sumazi. In its 1,700-person survey on building social media ...