Perpetual motion

What about a programme which tweets every post from your tumblr account AND posts every tweet on your tumblr account ad infinitum?

I've been thinking about this for a while.

This is how it may look. I mean apart from the arbitrary Google image search results of Twitter/Tumblr. Each screen is connected to the internet, recieving live feeds from both sources (a problem arises with tumblr's lack of live updating).