"[One of] four good books that I would highly recommend reading if you're gonna build a B2B software company." - Aaron Levie
"A great book on strategy." - Ben Horowitz
"All entrepreneurs should read." - Bill Gurley
"A must-read for entrepreneurs." - Caterina Fake
"About how businesses get disrupted, and a lot of those themes are why startups can succeed and thrive even when there are big competitors who you would think would just wipe ’em out." - Drew Houston
On the "books read" section of Ev Williams' GoodReads profile.
"Taught me why it’s so hard to come up with a second hit." - Guy Kawasaki
Part of "Jeff's Reading List."
"We often referenced [this book. A] thought-provoking [book] that validated our crusade." - Marc Benioff
Mark Cuban's answer to "what's a book you always recommend?"
One of Max Levchin's answers to "what's your favourite business book you'd advise to young entrepreneurs?"
Walter Isaacson said Steve Jobs was deeply influenced by this book.
"[A] business classic." - Tim O’Reilly
"Everyone talks about it, I wonder how many people actually read it. You should actually read it." - Blake Scholl
Chris Dixon recommended this book on Twitter.