Whatever the founder cares about, whatever the founders think are the key goals, that's going to be what the whole company focusses on.

The tenth social network, and limited only to college students with no money, also terrible. Myspace had won.

At YC we have this public phrase, and it's relentlessly resourceful.

Why couldn't it have been done 2 years ago, and why will 2 years in the future be too late?

Wait to start a startup until you come up with an idea that you feel compelled to explore.

If you want something in a deal, just ask for it.

If you look at successful pivots, they almost always are a pivot into something that the founder wanted. Not a random made up idea.