Twitter Trolls - What Should Be Done?

Mal Fletcher on BBC Radio

The Twittersphere has been under attack for the freedom it offers so-called "trolls" - people (mainly men) who send threatening messages to others, especially women.

What can be done about this growing problem? Is introducing new laws the answer?

Social commentator and futurist Mal Fletcher provides an interesting insight in this BBC Radio interview with presenter Will Gompertz and script writer Ed Allen.