http://resources.grovo.com/21stcenturybrain-whitepaper/

Technology is moving faster than ever, changing the way employees work. Not only are training demands different in the digital age, attention spans are shorter, screens are shrinking (mobile isn’t an option anymore), and a restless millennial workforce means employee engagement is more critical than ever. Simply put, 21st century brains demand a new way to learn. If you’re like most organizations, your dinosaur L&D program needs an overhaul.