What news about SEO may be interesting?

Where you read about new developments, changes and news about SEO?
What checked sources you recommend?

In general, what desirable to read every day? what kind of information?

 

Such SEO source you can create, promote and than sell.
Domain is 1 step. Such domain as seoabout.net will be a future SEO web source.

 

I can recommend a source http://bizzteams.com
There is a lot about SEO, SMO, SMM. Often publish news, interviews different, reviews of exhibitions and in general all that relates to advertising and promotion on the Internet. For me, it's convenient.
And of course I read forums and blogs.