Quantitative analysis of web traffic, by Compete, Inc.

Tom Evslin weblog about new technologies, especially in Web 2.0, VoIP, and transportation.

Dave Sifry, blogging mainly about Technorati and the blogosphere.

William Turkel's weblog focuses on methodological issues in the digital humanities, particular history and computing.

Jay Cross's Internet Time Weblog

Blog focused on the business and personalities of the online world, by a former consultant who now works at Yahoo! Personals.

Weblog advocating a internet-age view of business.

Analyst Jeremiah Owyang on business uses of social media, from both an external and internal enterprise perspective.

Niall Kennedy's weblog. Blogs, search, RSS, Atom, business news, and general geekery.

Greg Sterling takes an interest in the relationship between the Internet and traditional media, with an emphasis on the local search marketplace.