"Your book Connected has introduced me to the science behind our social networks. It is a mind opening book. I even made my wife read it (and she loved it). After that, people like Duncan Watts and Sinan Aral also did a great job in pushing the science of social networks further and at the same time popularizing it.
For those who are not familiar with your work, what are the main insights you gained on networks, and why should businesses bother themselves with these insights?'