Well, if you "follow" PG (read latest essays + other interviews, watch Startup School videos, etc.) then you have a pretty decent idea of what changed. The only

Well, if you "follow" PG (read latest essays + other interviews, watch Startup School videos, etc.) then you have a pretty decent idea of what changed. The only major thing I can think of is that the investment landscape is now more in the favor of the founders rather than investors. The other thing that changed is the lower bound on the age. That essay says "23", and I think that changed to "as soon as you can enter contracts on your own".