By now, you're probably familiar with blogs. There are millions of them out there (60 million+ at last check) discussing every topic under the sun.
As an indie musician, blogs can be an invaluable resource. There are blogs about band promotion, new gear, trends at the record store, and more.
Once you get into blogs, you'll find it helpful to use a Blog Reader. Instead of visiting each blog individually, blog readers organize blogs on a single page, and update automatically when a new post is added. It's like having a newspaper that only includes your favorite columns.
A great blog reader is Google Reader. It's free, and will suggest new blogs based on the posts you find interesting.
Here are some music industry blogs to get you started: