Should all startuppers become psychologists?

Why if you serve wine from a heavy bottle, it tastes better?

Why do you feel like something is 15% cheaper when you use a card?

I tried, with the help of Konstantinos Petsanis, a behavioural neurologist, answer many questions like these in my new book: ”Startups. The sales”.

Let me know what you think, after you’ve read it…

by media@entranet