Clay Christensen, the father of disruption theory, was
famously wrong about Apple's (
AAPL) iPhone, telling an interviewer five years ago that the probability of its success was "limited." "Being a low-end guy," Larissa MacFarquhar wrote in the
New Yorker last month, "Christiansen saw it as a fancy cell phone; it was only later that he realized that it was also disruptive to laptops."
http://tech.fortune.cnn.com/2012/07/03/what-the-iphone-wrought/