Seriously, way better the quora link. Some proven to me through direct first-hand experience. Especially level 2's last bullet point (keep your eyes and ears o

Seriously, way better the quora link. Some proven to me through direct first-hand experience. Especially level 2's last bullet point (keep your eyes and ears open), which reminds me of this: http://steveblank.com/2009/12/21/the-elves-leave-middle-earth-–-soda’s-are-no-longer-free/ http://steveblank.com/2009/12/21/the-elves-leave-middle-eart...