Picture this. You’re in a foreign place working in disaster relief or emergency assistance, and you crave some reconnection to your hipster existence back in ( insert First World City ). You turn to Tinder, the location-based app that lets you scan and choose a love interest like you used to order pizza. The winning lottery ticket in the world of online dating is a primo first impression. But how best to rev up your sex appeal when you’re dealing with 3 seconds of facetime on a tiny smartphone screen ...