This morning’s Observer column…

Watching Scoble in action is like taking a puppy for a walk. He is insatiably curious, and he follows every lead, no matter how daft. When some new social networking service appears, you can bet he will overdose on it. He was a predictably early subscriber to Facebook, on which he rapidly acquired 5,000 ‘friends’ (the maximum permitted by the service, apparently). He is also, needless to say, a subscriber to Plaxo.com’s contact-management service and became interested in seeing how much overlap there might be between his Facebook friendship network and his Plaxo contacts. Which is where the fun began…