RSS feeds
I think I have already posted about RSS before. If you enjoy reading web pages like this one that are constantly changing through being updated, you can join a service that will track all these changes and present them to you in email like form. I use Google Reader.
Andy Beal is encouraging people to sign up to his blog - Marketing Pilgrim - through RSS by holding a competition to win an iPod touch if you sign up before 1 March. All the details about the competition are here.
