Apparently Twitter can be 'work relevant'- I'm sceptical - it seems very much a Marmite application - you’ll either love it or you’ll hate it - to be fair many practitioners said that about blogs or even the Internet not so long ago!

Intute features a number of experimental Twitter channels: which may be 'work relevant' for you i.e.

Intute... 

• Economics - http://twitter.com/intuteeconomics;
• Psychology - http://twitter.com/IntutePsychUK;
• Business - http://twitter.com/intutebusiness;
• Politics - http://twitter.com/intutepolitics;
• Education - http://twitter.com/intuteeducation;
• EuroStudies - http://twitter.com/intuteeuro;
• HLST (Hospitality, Leisure, Sport and Tourism) - http://twitter.com/intutehlst and
• Visual Arts - http://twitter.com/intutevisualart.