A plugin/gem for rails apps that allows you to build a feedburner-like feed subscriber tracking system so you don't have to go through FB all the time. If all i

A plugin/gem for rails apps that allows you to build a feedburner-like feed subscriber tracking system so you don't have to go through FB all the time. If all it does is accurately report the number of subscribers, I'll be using it on a number of sites. If it does more, all the better. Feedburner in a gem, basically.