After setting up your account with them (which is free at this time), you can send any feed out to the following destinations:
There are a few setting you can play with. There is not a lot of documentation, but their system is not too hard to figure out if you are a bit techy 🙂
They have a support email address to sent questions to. I haven’t tried it, so can’t vouch for how responsive they are. If you have trouble setting yourself up with twitterfeed, comment below and I’ll try to help!