Francine McKenna, of re: The Auditors, put together a great study on how the Fortune 100 are using Web 2.0 for investor relations. There are some. But for the most part, they are not using web 2.0.
- Only 3 use blogs
- Only 2 use Facebook
- Only 2 use Twitter. (Although 4 others do, they just left that information from the IR page.)