I absolutely don't want to suggest that women are unreliable because we're mothers - on the contrary. But the question of who brings up the kids has a material effect on all women's careers.

Everything a teenager does, says or looks at, however transitory, contributes to an aggregated virtual self that might one day have consequences for its real-life counterpart. How many of us would keep all our relationships and reputations intact if every transgression, mistake or youthful folly was held in public view?

The devadasis have a multilayered story, a story in which poverty, deprivation and injustice against women is central - but what has happened to them is absolutely an outcome of imperialism and the impact of British rule in India.

When I was 13, I had a weekend job at the Photographers Gallery Bookshop in London.

People are always saying it's the end of the Gutenberg era. More to the point, it's a return to an oral era. The Gutenberg galaxy was about the written word. At its best, the digital era is part of the rediscovery of the oral. At its worst, it's a Kafkaesque victory of the bureaucratic over the imagination.

Historically, privacy was almost implicit, because it was hard to find and gather information. But in the digital world, whether it's digital cameras or satellites or just what you click on, we need to have more explicit rules - not just for governments but for private companies.

Mobile technology makes us ever more mobile, increasingly permitting not just easier movement around a home base but permanent international relocation.

One question that often comes up is why, in this age of blogs and tweets and instant digital communication of all kinds, it still takes so long to publish a book.