Before I begin, let me be completely honest. I didn't come here to give a TEDex talk today. I came because rumors said there will be free snacks backstage.But since I'm already here, let's talk about something far more important than samosas. Let's talk about breaking boundaries. Hello everyone.I'm Anvi Ritimat from Bila International School. Yes, a sixth grader. And yes, I have a tiny speck on my face and a smile that makes most people think I'm harmless.But don't be fooled. Behind this smile is karate kid ...