Hello, I am Vu Hoang Lan Chi and I'll be your second TEDx speaker today. Let's get this started. First, I'd like to ask you a question.Have you ever seen a hermit crab before. Well, it seems strangely fascinating at first glance, the way it confidently carries itself and its shell across the sand with purpose. But what we often overlook, however, is the fact that the shell it's carrying now is not the shell that it started with.You see, unlike other crab, a hermit crab doesn't stay in one shell forever. As ...