well, the YC app asks at least 2 of these. so anyone who applies to YC thinks about them! What do you understand about your business that other companies in i

well, the YC app asks at least 2 of these. so anyone who applies to YC thinks about them! What do you understand about your business that other companies in it just don't get? (how so?) Who are your competitors, and who might become competitors? Who do you fear most? (who are they?)