Seth Godin,
Penguin Books (2005) Penguin Books Ltd: You're either a Purple Cow or you're not. You're either remarkable or invisible. Make your choice. What...
You're either a Purple Cow or you're not. You're either remarkable or invisible. Make your choice. What do Apple, Starbucks, Dyson and Pret a Manger have in common? How do they achieve spectacular growth, ... Zobraziť viac