A lot of people treat choosing their cofounder with even less importance than they put on hiring. Don't do this.

If you pivot, do it fully and with conviction. The worst thing is to try to do a bit of the old and the new-it's hard to kill your babies.

... but the pendulum has swung way out of whack here. A bad idea is still bad, and the pivot happy world we're in today feels suboptimal.

The biggest PR hack you can do, is not hire a PR firm.

If it works out, you're going to be working on this for 10 years.

Some day everyone will find out everyone else's comp, if it's all over the place, it will be a complete meltdown disaster

You can basically change everything in a startup but the market.