How Subscriptions Work
Let’s say you’re reading a blog on WordPress.com that you really enjoy — so much so you want to be notified when new posts are published so you remember to read them. You can subscribe to this blog really easily by using the “Subscribe” menu in the admin bar. By going up to your admin bar, and clicking “Subscribe to blog”, you’ll be instantly subscribed and all current and future posts will be added to the subscriptions tab on your WordPress.com home screen. To read the rest of the article go to: via WordPress Channels Tumblr with Subscriptions.
To find out more about WordPress and the new subscription feature by Andy P. at Just Another WordPress Blog click here: http://en.blog.wordpress.com/2010/09/10/introducing-subscriptions/