Founder Stories: How Dropbox got 10 Million Users

With success in hand, Houston offers this advice to founders: “Research what other companies have done” but be cognizant of the fact that “often what works for one company is just completely the wrong thing for another company.”  

http://techcrunch.com/2011/11/01/founder-storie-how-dropbox-got-its-first-10-million-users/