On July 26th of this year, Feedburner had made a decision to shut down its Twitter account, an account that it had not posted to in over a year. That same day, they also announced that they were shutting down their AdSense For Feeds blog, a blog that they hadn’t posted anything to since October 2010. — via Feedburner – Is The Sky Really Falling?
But perhaps the most important aspect of FeedBurner’s services is subscriber statistics: How many readers you have on your feed (and Feedburner-powered email list), and how they’re accessing your feed. A feed’s circulation (equivalent to an email list’s size) and its reach (the RSS equivalent to a mailing’s open rate) are vital to many bloggers. … So consider this tweet from Danny Brown, who made the switch from FeedBurner to FeedBlitz a couple of weeks ago:
“Feedburner had missed over 8,000 RSS subscribers in my case. Feedblitz offers superior counts and analytics”
Looking ahead, the Feedburner API is due to shut down a little more than a month from now — October 20, 2012. Google actually announced that change 16 months ago, in late May 2011. via Google Loses Feedburner.jp Domain (The Latest Sign That Feedburner Is Dying)
Nowhere, however, has Google stated that they are closing down the service. And the closure of an API doesn’t mean that the service will stop working. What it does mean is that if you are importing your RSS feed into other services via the Feedburner URL you should use your WordPress RSS URL instead. via How to Export the List of Email Subscribers from Feedburner
WordPress.com provides a free email subscription service. Feedburner is a free service. Feedblitz is a paid service. Without a feed delivery service, you won’t know who has subscribed to your RSS feed and where they came from, not to mention you’re unable to support subscription by email. Which service are you using to provide email updates of your posts?