I wrote Hooked along with Ryan Hoover (founder of Product Hunt) to help companies build better products. It's been wonderful seeing how companies have benefited from using the Hook model to create healthy habits.
The book was just named one of the best business books of 2014 by Goodreads: https://www.goodreads.com/choiceawards/best-business-books-2...
There's a video of a talk I gave at The Next Web conference on the book here: http://www.hookmodel.com/#book
Happy to hang out and take any questions until about 11 am PT.