Frankfurt airport departure lounge. Full of western tech executives, each with an open laptop. They're all from different companies, all travelling separately. But one particular subject is making them feel like they're old college buddies, and they're networking like a swarm of honeybees."So, you've just been to Bangalore, have you?""Is it everything it's cracked up to be?""Is there still room there for new customers?"Did you find a good deal? Did you close?""Are they shrewd business people?""H.