The first session was on MySpace. Young, bright, casual, wealthy people (OK, I'm jealous!) presenting on solving problems of incredible complexity – such as their development of a Distributed Transaction Manager, currently handling over 10,000 servers.

All the news, now, is of how young people keep a public record of intimate details of their lives in social networks (assisting crime investigations) but, until now, the extent of co-operation with law enforcement required hadn't occurred to me. MySpace deals with around 15 subpoenas every week.

The final session, from Paul Glen, was on "Leading Geeks". My first impression was "yet another motivational speaker, and not that good at that" and I turned to my e-mail, but as the presentation got underway I realised that here was a great deal of insight, and paid attention. Paul has written a book on the subject...