The “liquid self” vs. the “network effect.” Plus this: “There’s now strong interest in services that let people talk with one another in contextual environments — friends from college, friends from home, family members, and so on. These services let you communicate using the norms, expectations and relationships you have with different groups. It’s a big trend that matters a lot. Conversely, if you communicate for an organization, it’s important not to overstep bounds and become too familiar.”

Emerging trends in social media