MICHAEL S. DELL by Roger Martin

“Innovation must make business sense. Looking back on the dot-com crash, Michael Dell, founder of Dell, argues that little has changed. ‘Still today in our industry, if you go to a trade show, you walk around and you will find a lot of technology for which there is no problem that exists. . . It’s like, “Hey, look at this, we’ve got a great solution and there is no problem to solve here.” ’ ”