Londoners can follow what is happening via the Twitter name albionsoven, and more than 300 people have signed up already. "We've been amazed by the response. It has made a big difference to sales," said Mr Prescott. "We generally update once a day as we don't want to overwhelm people, but we're now thinking of offering updates at unusual times - for instance, as we're in Shoreditch, offering fresh bread later at night - or running special offers."