How a politician should address a web conference

At the Personal Democracy Forum Conference in New York, which has just finished, New York Mayor Michael Bloomberg gave a keynote 'speech' (more a discussion actually) via Skype which should be an exemplar to British politicians.

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the world's largest and best known conference on the intersection of technology and politics. For the sixth year, more than 1,000 top opinion makers, political practitioners, technologists and journalists will come together to network, exchange ideas, and explore how technology and the Internet are changing politics, democracy, and society.

Apart from Tom Watson, maybe Milliband, I'm scratching my head to think of any British politician who could tick off so many boxes in understanding what they are - and should be - talking about to a crowd such as this.

Certainly wouldn't be Boris ...