"With concrete advice and tales from the product-development trenches, this is a thoughtful discussion of how to create something that users never knew they couldn't live without."
--Publisher's Weekly

"A must read for everyone who cares about driving customer engagement."
--Eric Ries, author of The Lean Startup

"The book everyone in Silicon Valley is talking about."
--Boris Veldhuijzen van Zanten, founder of The Next Web

"Hooked gives you the blueprint for the next generation of products. Read Hooked or the company that replaces you will."
--Matt Mullenweg, Founder of Wordpress

"The most high bandwidth, high octane, and valuable presentation I have ever seen on this subject."
--Rory Sutherland, Vice-Chairman, Ogilvy & Mather

"You'll read this. Then you'll hope your competition isn't reading this. It's that good."
--Stephen P. Anderson, Author of Seductive Interaction Design

"Nir's work is an essential crib sheet for any startup looking to understand user psychology."
--Dave McClure, Founder 500 Startups

"When it comes to driving engagement and building habits, Hooked is an excellent guide into the mind of the user."
--Andrew Chen, Technology Writer and Investor

"I've learned a great deal from Nir, and you will too. He'll help you design habits to benefit your users, and your company."
--Dr. Stephen Wendel, author Designing for Behavior Change