I've always understood that one of the key revolutions of the internet is to allow small but disparate voices to join together to make a louder noise than would otherwise be possible. I like public libraries. This is a quiet like, but it is one shared by hundreds of thousands of people across the country. We will probably not be marching on Milbank anytime soon, but I'd like my quiet voice to be heard, and perhaps to join with other quiet voices elsewhere. I spent Friday in the British Library at St Pancras, where I read some nineteenth century books about political arrangements in first-century Rome. Later, back at my computer, I received a circular email from the BL