What is a FeedBurner ?
It is a free service by google that allows you to send emails from your Blogs. Feedburner gives statistic on the reach of your Blogs.
Benefits of FeedBurner
Analytic to your Blog- Number of subscribers,items they click on,Which Browsers do they use, country you are logging in from.
Email Subscription-With feedburner, You can offer them a daily subscription via email for free
Publishing To Twitter and Facebook-This Feature allows you to connect to Twitter account directly, Customize your publishing the way you want.