Been catching up on my feeds at the moment (on a new look Bloglines):
Definitely something that all websites should consider doing, especially those creating content and that are news based.
This is really important, that everyone can now be creative or find a way of publishing THEIR content and find an audience. Some find an audience of 10, others find one of 10,000. But there are more and more channels available.
Following on from Jeff Jarvis, on a similar theme, is the explosion of web & information creativity.
Good list on how social media can help all organisations.
Explains how mass emails work and how to write an effective e-newsletter.