There's Nothing Happening Here.
Robert Scoble infuriates me endlessly, but I wholeheartedly agree with him about social networks. In practice, they are just irritating and in commercial terms I've already expressed my doubts about them here. Relationships (of whatever nature) take significant investment, whereas connections facilitated by social networks don't.
Moreover, the excitement generated by a massive collection of eyeballs seems to run counter to everything we know about the way things are going. If it weren't for mechanical failures I'd be here discussing the long tail, rather than writing this. So, I was delighted to read this sceptical account of eBay's plan to monetise another type of network. The list (that appears in the comments) of companies that have failed to monetise a huge audience is music to my ears.