What is "feedburner"

FeedBurner is a web feed management provider launched in 2004. FeedBurner was founded by Dick Costolo, Eric Lunt, Steve Olechowski, and Matt Shobe. Costolo is a University of Michigan graduate, and was CEO of Twitter from 2010 to 2015. FeedBurner provides custom RSS feeds and management tools to bloggers, podcasters, and other web-based content publishers.