Think or Twitter?
by Graham Davies

Duncan Bannatyne's personal presentational brand is based on the ability to bully and disparage potential investors on Dragon's Den. Even when his face is trying to express happiness, it is twisted into a sneer.

He has been presenting a TV programme where he extols urges British holidaymakers to enjoy the delights of the UK and its unique interpretation of the word "Summer".

This is a little incompatible with his constant stream of Twittering about what a marvellous time he is having in France. So, he breaks one of the Cardinal Rules of credible personal presentation: be obviously consistent.

But his biggest mistake is catching the trendy disease of 2009: Twitteritis. The main symptom is the uncontrollable urge to put thumbs to keybord without any real thought about what you are about to say to possibly hundreds of thousands of people.

Here's an idea: maybe Tweeting isn't the universally marvellous thing that it's cracked up to be.