#35 Set up one-on-one interview in order to get feedback.
Avoid one-to-N interview, since you cannot hear open opinions
P163 start-up owener’s manual
#41 スタートアップの最大の競争優位性とは?
Brian Chesky, co-founder of Airbnb, went customer’s place; talked to home-landlord customers one by one and took a room photo to promote Airbnb business