Applauze is a mobile application that helps users in 36 cities in the U.S. and Canada find and buy tickets for events, Varun Nayar writes. The app works in conjunction with 500 ticket brokers, so it can vend tickets on the secondary market at the last minute. But it's real advantage over other apps is the interface, which simplifies the process and includes sometimes hidden broker fees. "People have limited time," CEO Kiran Bellubbi says. "They should be respected for using your product -- don't insult them with crappy software."