Amy Shuen, author of Web 2.0: A Strategy Guide, the new title from O'Reilly Media, will be hosting a table at the Expo open lunch. She'll be available to answer questions about Web 2.0 network effects, help you evaluate the "Web 2.0 Health" of your business and talk about just about anything you'd like her to. Amy will also be at the O'Reilly booth in the Expo hall this afternoon to sign her book and talk to visitors.