"If I asked you roughly how many Facebook friends or Twitter followers you have, you might be able to give me a good answer. But what about the shape of your social network? For example, do the friends in your social network know each other independently or are they only indirectly connected through you?"
Decades of research have shown that having more numerous and stronger connections predicts better health and well-being, but the shape of your social network matters too.
To find out, read Emily Falk and Michael Platt's article in Scientific American here.