I like this analogy: Twitter intrinsically isn't Facebook, and it wouldn't make sense for it to try to be. Having that diversity in the marketplace is a good th

I like this analogy: Twitter intrinsically isn't Facebook, and it wouldn't make sense for it to try to be. Having that diversity in the marketplace is a good thing, and soft drinks demonstrate that such situations can absolutely be sustainable. (Aside: if you make it Coke vs. 7-Up, you'll dodge that last complaint.)