"At Spotify the 7 Powers are widely used as we discuss new initiatives." - Daniel Ek
Keith Rabois recommended this book on a Medium blog post.
"Deeply incisive." - Patrick Collison
"[The author] understands that strategy starts with invention. He can't tell you what to invent, but he can and does show what it takes for a new invention to become a valuable business." - Peter Thiel
"The forces of competition are just incredibly strong. Everyone is trying to eat your lunch, and if you don't read [this book] you're going to die alot sooner." - Reed Hastings