IT Knowledge Exchange reports that The Wall Street Journal has just launched a heavy web2.0-focused redesigned website which goes against the grain of almost all current social networking sites - you have to pay a subscription to join.

Read this book if your future is anyway connected to Web2.0. Andrew Keen’s central thesis is that if all content (e.g. music, video, news, books, encyclopaedias) is produced by “amateurs” and no-one will pay for “professional” versions then its curtains for quality or independent publishing.

Rapleaf is a neat application which takes an email address and returns an online reputation dashboard based on the owner's participation in online social networks etc. I interviewed Dan Scudder, Product Marketing for Rapleaf, to find out more.

Yesterday Google announced a new premier edition of its Google Apps online collaboration suite, combining GMail, Google Talk, Calendar. Page Creator, Startpage, Google Docs and Spreadsheets under a hosted subscription service. Robin Good offers an excellent review of the components, pricing and the support package.

The ever thoughtful David Pollard has an excellent article on the Wisdom of Crowds versus the Wisdom of Witch Doctors (Consultants and Senior Management) and how to tell the difference. By Paul Sweeney.