麻豆约拍

Professor Clay Shirky talks about the way people now form into groups, as outlined in his book Here Comes Everybody, and explains how technology is changing our society.

Also on the programme: Why the next generation of mobile phone might be made from bamboo. Plus, a customised bag of rice with a picture of a baby on it is a traditional present for new parents in Japan - but now one supplier has come up with a personalised approach that goes way beyond a cute picture.