"A must-read for everyone who cares about driving customer engagement"
— Eric Ries, Author of "The Lean Startup"
"When it comes to driving engagement and building habits, Hooked is an excellent guide into the mind of the user"
— Andrew Chen, Technology Writer & Investor
"Hooked gives you the blueprint for the next generation of products. Read Hooked or the company that replaces you will."
— Matt Mullenweg, Founder, WordPress
"Nir’s work is an essential crib sheet for any startup looking to understand user psychology."
— Dave McClure, Founder of 500 Startups