About a week back I noticed that the stats for all my feeds at Google's Feedburner had turned to zero. Google acknowledged the issue a few days back. There has been a lot of speculation about the future of Feedburner with Google losing the Feedburner.
Using FeedBlitz or any third party service requires your visitors to move away from your site when they are subscribing or using that service. Google's Custom Search Engine as well as Adsense for Search ensured that visitors stayed on your site by embedding custom forms on pages of your site. Now, FeedBlitz has introduced Embedded Subscription Forms.
FeedBlitz, a popular Blog to Email service has changed its Terms of Service which come into effect on August 19, 2007. The two main changes to the terms of service are: Lists with an active circulation of 5,000 or more must be on a FeedBlitz premium service (Pro, Turbo or Newsletter Edition). Ads will be inserted into subscriber emails for lists with circulations of this size until such time as they comply This is indeed a surprising change, though their reasoning for the same makes sense.