At happy hours and class breaks, at the part-time MBA program I attend through the University of Texas at Austin, the conversation often drifts toward new business ideas. A mobile app to schedule text messages in the future. (Use case: Compose your best friend’s happy birthday text the day before.) A social network that doesn’t sell your personal information or display any ads. (Business model innovation: monthly subscription fee.) A winery in a surprisingly temperate, beautiful, and affordable region of central Oklahoma. A friend of mine was once so inspired by his own start-up concept that he pulled out his phone, checked the availability of his preferred URL, and registered the domain name on the spot. Read more at The Atlantic.