Booths that sell paper pull-tab games like this one have new competition in Minnesota: electronic pull-tab games played on iPads. The games are meant to help pay for a new football stadium in Minneapolis. Jim Mone/AP hide caption

itoggle caption Jim Mone/AP

An Amazon worker sorts packages at a fulfillment center in Goodyear, Ariz. Ross D. Franklin/AP hide caption

itoggle caption Ross D. Franklin/AP

Telemarketers at work at an InfoCision call center. The for-profit company solicits millions in charitable donations each year and also provides marketing services to for-profit clients. Courtesy of InfoCision hide caption

itoggle caption Courtesy of InfoCision

Facebook CEO Mark Zuckerberg emphasized his company's mobile-centered future Tuesday, in his first public comments since Facebook's troubled IPO. Eric Risberg/AP hide caption

itoggle caption Eric Risberg/AP

This Panera Cares store in Chicago switched from for-profit to nonprofit this summer, and it started asking customers to pay whatever they want. Niala Boodhoo for NPR hide caption

itoggle caption Niala Boodhoo for NPR

Traders on the floor of the New York Stock Exchange on Aug. 9. Economic developments on both sides of the Atlantic could have a big impact on the U.S. presidential election. Richard Drew/AP hide caption

itoggle caption Richard Drew/AP

The Social Security tax rate is scheduled to revert to 6.2 percent next year, up from the temporary reduction — to 4.2 percent on an employee's first $110,000 in wages — which has been in effect since January 2011. iStockphoto.com hide caption

itoggle caption iStockphoto.com

In seeking financial backers for her Ouya game console, Julie Uhrman was looking for about $1 million. The business received far more than that amount. Kickstarter hide caption

itoggle caption Kickstarter