Here's a modern take on an old favourite bedtime story called Goodnight Moon by Margaret Wise Brown.
The original was grandma putting the grandchildren to bed while the above version, written under the pseudonym Ann Droyd, is grandma getting fed up with kids glued to all the gadgets in the house, gathering them up and chucking them out the window.
Rovio's Angry Birds is featured as are many of the gadgets, games and social networks that have become second nature to kids.
The books were used by Cornell University's Dr Bill Carroll at Sabre Hospitality Solutions' 2012 Customer Forum this week to show how consumer behaviour has changed.
And here's a taste of Goodnight iPad: