Vivek Wadhwa

Outsourcing was the bogeyman of the '90s. Protectionists portrayed it as an evil that would take American jobs away. Yes, some jobs did go offshore as people feared, but it made the global economic pie grow bigger.

When I start getting embroiled in heated debates and feeling stressed, I just turn everything off and disconnect from the world. I simply tell my colleagues and friends that I am not well and need to cancel all meetings for a day or more. I take it easy - go for a long hike, take a vacation somewhere, or just stay at home and read.

Social innovation thrives on collaboration; on doing things with others, rather than just to them or for them: hence the great interest in new ways of using the web to 'crowdsource' ideas, or the many experiments involving users in designing services.