Google Reader lets you subscribe to your favorite blogs and websites and then alerts you new information is added.

http://www.google.com/reader/

What is an RSS reader?

http://www.commoncraft.com/rss_plain_english

      

Here are a couple of "RSS-ready" sites to get you started:

- http://davidwarlick.com/2cents/

- http://www.speedofcreativity.org/

- http://blogsearch.google.com/ (Search for blogs)