Keep on Rowling: JK is a hit with fans on the web. Photograph: Matt Dunham/AP
Harry Potter fever's gripped the world this week, but JK Rowling kept herself fairly quiet - though she did take some time to speak to two fans who run Potter websites. Have authors realised the power of the internet to help them connect with fans? Our lead feature finds out.
Elsewhere, we take a brief tour of the British podcasting scene, give you our guide to the best cameraphones on the market, and investigate the programming buzz around Ajax
In comment, Michael Cross wonders why London's official website is so bad, Mary Branscombe ponders transatlantic technology prices, and Jack looks back at the history of IBM's OS/2.
Of course, there's much more besides. Click here for a complete listing of everything inside this week's Guardian Online.
