TechCrunch reports on Movers 2.0, "a simple website for tracking 'Web 2.0' traffic trends. The website uses Alexa data."
Also Mosoto, an application that works on top of Facebook and allows chat and file sharing.
TechCrunch also write about Yahoo! Pipes, a service that lets you combine and 'pipe' data from different sources such as RSS feeds, Yahoo, Google Base, and web pages. Sounds like an application with a lot of potential: "The beauty of the application is with its simplicity - a user can take any sources, user input requests or the above mentioned module and drag+drop them into place and then connect the pipes."
Mashable writes about
TechCrunch has been playing with Formatpixel, a WYSIWYG online app that lets you publish presentations in a virtual magazine format.