Joey Mucha used to seal a business deal with a handshake or an email. Now he whips out his smartphone.
The San Francisco entrepreneur runs a side business renting out skee ball machines. With the company growing steadily, Mucha decided last year he needed to use contracts to protect his clients and the business.
But he didn’t go to a pricey lawyer. Instead, the 27-year-old downloaded a smartphone application called Shake. It guided him through the process of creating easy-to-read...