Grouped: How small groups of friends are the key to influence on the social web

2. How and why we communicate with others

Why we talk

We talk to survive

The desire to communicate is hard-wired into all of us. It was an effective survival mechanism for our ancestors, who shared information about food supplies, dangerous animals, and weather patterns, and it continues to help us understand our world, including what behavior is appropriate and how to act in certain situations. People talk because sharing information makes life easier.

Our motivations for sharing online are the same as the motivations of our ancestors. We often update our status because we need information. Research has shown that the majority of tweets that mention brands are seeking information rather than expressing sentiment, and one in five tweets is about ...