FeedBurner just announced FeedBurner Email, allowing readers to subscribe to your feed via e-mail. Most Internet users are familiar with e-mail but a feed reader is a completely foreign concept. They live within Outlook and have an efficient work flow governed by rules-based sorting and alerts. This new feature provided by FeedBurner helps a feed publisher reach more readers in their favorite method of delivery.
E-mail subscriptions to a feed is nothing new, even for FeedBurner customers. The company has partnered with FeedBlitz and more recently Squeet to provide e-mail subscriptions in the past, and both companies remain an option for FeedBurner users. The feature probably became popular enough for publishers and essential to the complete subscription experience that FeedBurner decided to bring the feature in house for more control and reliability.