Charlie Redmayne has been in the top job at Pottermore for a year now, casting numerous multimedia spells along the way to enchant its 40 million-strong fanbase. Leaving his role as HarperCollins' chief digital officer in November 2011 (Redmayne was brought in to spearhead the publisher's digital transformation), he has since led the Pottermore team in the creation of an online home for the seven Harry Potter books. That home now includes 18,000 words of additional content from J K Rowling, a direct-to-consumer shop that sells DRM-lite e-books compatible with any device in English, French, Italian, German, Spanish and Japanese and, of course, a sorting hat. "I don't think people always understand the scale of what we have done in the past 12 months. The level of work has been very intense," says Redmayne. "What we've done with Pottermore is harness a fanbase of millions of the biggest Harry Potter fans. In terms of producing value to all of the rights holders -- be it J K Rowling, Bloomsbury, Scholastic, Warner Bros, or indeed our sponsor Sony -- that's an immensely valuable thing as any new books, content or products come out. For any launch we have a direct relationship with those fans already, who we can then engage with." Registration for the limited beta release of Pottermore opened on 31st July 2011 (Harry's birthday) with the site then opened to all this April. Redmayne says his job now is to "take what we've done with the browser experience to