End of Q1, we expect to introduce BING optimising too. You will get a similar setup and result as you get with AdWords: better results, higher ROI and less work.
Besides getting better results you will also be able to optimize between Bing, FaceBook and AdWords. We will find exactly when clicks or conversions are better in one platform or the other, and optimize accordingly.
We are currently beta-testing; if you would like to join just ping us: firstname.lastname@example.org.