Feedburner is a web feed management provider launched in 2004 by several guys such as Dick Costolo, who became CEO of Twitter in 2010. It was acquired by Google in June 2007 for the rumored price of $100 million (Dick and his friends made a tidy sum for their invention!) Other companies have formed and charge fees for the service that Google provided for free. Among them are Feedblitz. Mailchimp also offers a similar feed delivery which is free if you send out less than a certain number of emails per month. You are charged fees based on the number of emails you send with Mailchimp.