2. Google Reader (reader.google.com)After three years, Google's RSS feed reader is tops, not only mimicking the best of what desktop readers can do but also mashing up nicely with other Google services, like the iGoogle home page. Also check out “Why Google Reader” on Classroom 2.0’s Blog.
3. Netvibes (www.netvibes.com)A personalized start page with an emphasis on widgets and feed readers, Netvibes also aggregates podcasts for you. It’s one of my newest favorites!
5. Another great aggregator, easy to use. If you're not sure where to begin, explore the blogs that Bill Ferriter has organized in his professional Pageflake at www.pageflakes.com/wferriter/16618841. He reads these blogs all the time. Some leave him challenged. Some leave him angry. Some leave him jazzed. All leave Bill energized and ready to learn more. School leaders may be interested in the collection of blogs at www.pageflakes.com/wferriter/23697456.