Every time we share something rather than own it ourselves, we reduce the stress on the planet. That could make the critical difference as the global population continues to grow.

Some of history's cleverest business minds understood the power of share platforms, from the aggressive titans who made fortunes building the nation's railroads, to Conrad Hilton, who created the first premier brand of international hotels.

When what you do and care about is aligned with what the market wants and cares about, you've created a recipe for career success.

The mobile Web, location-based services, inexpensive and pervasive mobile apps, and new sorts of opportunities to access cars, bikes, tools, talent, and more from our neighbors and colleagues will propel peer-to-peer access services into market.