Of Note (3/23/08)

1. Local bloggers matter, too.

2. The Adfero Group presents another robust and aesthetic congressional Web site, this time for Congressman John Shadegg (R-AZ).

3. Turn your blog into a book.

4. The future is approaching, and it's called GrandCentral (now owned by Google). According to the Blogger Buzz blog, simply add GrandCentral's WebCall button to your blog, and your readers can easily call you or leave voicemails without ever seeing your telephone number. An online inbox stores your voicemails and allows you to post them to your blog.

5. "The new company profiles on LinkedIn are a gold mine for reporters who want to get data beyond what the PR guys may want to dish out."

Odds and Ends

1. Rachel Zimmerman, "don't 4get ur pills: Test Messaging for Health."

2. Walter Pincus, "State Dept. Tries Blog Diplomacy."

3. Jeff Bercovici, "Vanity Fair Gives Hitchens-Hatred a Home."

4. "Bill Gates Links Up with LinkedIn."

How LinkedIn Compares to Facebook Compares to MySpace, Etc.

LinkedIn: 15 million users. 4,000 new users a day (10/07).

Facebook: 55 million active users, who, on average spend 22 minutes a day on the site. 200,000 new users a day (11/07; 10/07; 10/07).

MySpace: 110 million active users (2/08).

Twitter: 340,000 users. 2,000 new users a day (7/07).

YouTube: