What Are the Lessons From 20 11, 20 12?

There are a lot of over for x type companies that, for ilion different reasons, wouldn't work. Thale kind of works. Wath what they know how to do, you know, just a double click. Ufrontn, like thesi, we workn, and even uberd don ben well, its multa multa molti,. But i think was a really good lesson for people on unit economics.