- Clay Shirky's writings about the internet, including open source software, web economics and social computing. Available via mailing list and online archive.
- Cool Tricks and Trinkets Newsletter
- Offers weekly insights into new, cool, useful, fun, unusual and interesting sites on the net.
- Site du Jour of the Day Archives
- A collection of site reviews, pointers and theme weeks. Free e-mail version published daily since February 1997.