Twitter is a fantastic platform for breaking news or promoting policy, but 'tweeting' can also lead to a PR disaster. Here, Carol Grant outlines her best practice advice and offers a common sense approach to avoiding embarrassing pitfalls.

Suggesting that a female journalist should be stoned to death; Wondering whether a black MP would use his race as a defence for being 'a muppet'; Saying that you only smoke cannabis when raping, looting or murdering.