Chain Reaction: Dave Gorman on Twitter
A prolific Flickr user, Dave also Googlewhacked his way around the world, and so it's no surprise to find he's a very active participant in the conversation on Twitter.
Robert also has a large following on Twitter, and presents his own online chatshow Carpool which is filmed entirely... in his car.
Here's a clip from the episode, in which Robert asks Dave about his experiences using social media tools:
Chain Reaction returns to Radio 4 at 6.30pm on Wednesday 2nd September