In Hooked, Nir Eyal reveals how successful companies create products people can't put down - and how you can too 'A must-read for everyone who cares about driving customer engagement' Eric Ries, author of The Lean Startup 'The most high bandwidth, high octane, and valuable presentation I have ever seen on this subject' Rory Sutherland, vice chairman, Ogilvy & Mather Winner of best Marketing book in 800-CEO-READ Business Book Awards 2014