This is a micro-blogging system that collects your activity from around the web and displays it in a lovely HTML theme of your design.
Built with jQuery, HTML 5, CSS 3, and using advanced features such as localStorage and History.pushState while still supporting a wide variety of older devices all in under 10k.
Visit An Event Apart's 10k Challenge to see other amazing entries or see this system in action over at my blog.
Installation instructions can be found at http://xeoncross.github.com/MicroStream
Released totally free under the MIT license.