I love how you can go out and find free information on just about anything these days. Any subject from how soap works to link building news is available on the internet usually in thousands of different ways. A lot of sites use RSS (really simple syndication) feeds to give you updates of articles that are helpful in a range of topics.

If you find a hub that you like and notice that people are responding with really good information about link building for example, you can actually subscribe to that dynamic content in the comments section and get updates directly fed to your website or program when a new comment is written and posted in real time! Now that’s convenient!