“Six questions respects it. Twenty questions doesn't.”
Guerrilla Marketing, 4th edition: Easy and Inexpensive Strategies for Making Big Profits from Your SmallBusiness
Джей Конрад Левинсон — американский писатель. Наиболее известен как автор книги «Партизанский маркетинг». Wikipedia
“Six questions respects it. Twenty questions doesn't.”
Guerrilla Marketing, 4th edition: Easy and Inexpensive Strategies for Making Big Profits from Your SmallBusiness