Hopper, the mobile travel booking startup and app that lets users book flights, hotels, cars, and — most recently — short-term home rentals a la Airbnb and VRBO, has been on a fast pace of
Back in September, Jon Tirsen and Douwe Osinga, two ex-Googlers, <a href="https://techcrunch.com/2011/09/08/ex-googlers-launch-mobile-travel-guide-to-kill-lonely-planet-raise-seed-round-from-chris-sac