It's become popular in recent years to say that the idea doesn't matter.
Founders need to figure out what the message of the company is going to be.
If you don't need it yourself, and you're building something that someone else needs, realize you're at a big disadvantage.
Move fast. Speed is one of your main advantages over large companies.
Because it's one of these sort of connections between nodes- every pair of people adds communication overhead.
We've seen a lot of data at YC now, and the most successful companies and the ones where the investors do the best... end up giving a lot of stock out to employees- year after year after year.