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15 companies that will change the world

These game-changing startups are likely to upend existing industries - and spawn new entrepreneurial opportunities.

Expensr
Expensr's Child and Gupta figure that a free financial Web app - and some social smarts - can save you a lot of money.
Expensr
CEO: Reman Child and Shawn Gupta (founders)
Disruption: Simple, straightforward financial planning
Disrupted: Today, makers of personal finance software. Tomorrow, the credit industry

Combine the utility of software like Quicken with the social power of Web 2.0, and you have Expensr - a free online service that tracks your budget and spending habits, then shows you how you're doing compared to your peers. "That's the idea behind the social network," says co-founder Shawn Gupta, "to help you do better by making you aware of what other people like you are doing."

Blinkx

Raydiance

Expensr

Zipcar

MFG.com

Virgin Charter

PatientsLikeMe

Bloom Energy

Vanu

Zink

A123 Systems

Renewable Energy Group

Desktop Factory

Cree

One laptop per child
The New Disruptors video series Editor-at-Large Erick Schonfeld discovers startups with the potential to overturn existing industries or open up entirely new markets. (more)
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