David Jackson (left) and Dave Petrillo of Coffee Joulies brought in more than $300,000 using Kickstarter.com. Paul Agus/Courtesy of Coffee Joulies hide caption

itoggle caption Paul Agus/Courtesy of Coffee Joulies

Army Chief of Staff Gen. Martin Dempsey pauses before speaking to family members of fallen service members at a Tragedy Assistance Program for Survivors seminar. Evan Vucci/AP hide caption

itoggle caption Evan Vucci/AP

Elizabeth Warren, assistant to the president and special adviser to the Treasury secretary on the Consumer Financial Protection Bureau, testifies before a House Oversight Committee hearing on Tuesday. Saul Loeb/AFP/Getty Images hide caption

itoggle caption Saul Loeb/AFP/Getty Images

Brian and Jennifer Barfield met at a networking group for the unemployed. This is one of their engagement photos. Courtesy of the Barflields hide caption

itoggle caption Courtesy of the Barflields

Ads like these — from the Electronic Payments Coalition — appear in about 100 rail cars within the Washington, D.C., Metrorail system. Ryan Brooks/NPR hide caption

itoggle caption Ryan Brooks/NPR

Petraeus speaks during a news conference in Washington in January, as White House adviser Elizabeth Warren looks on. Jay Mallin/Bloomberg via Getty Images hide caption

itoggle caption Jay Mallin/Bloomberg via Getty Images

Lisa Howland says her husband, Randy, smiles a lot more now that he's working, even though the job doesn't pay enough to cover all their bills. Tamara Keith/NPR hide caption

itoggle caption Tamara Keith/NPR

Many entrepreneurs are earning money from posting how-to videos on YouTube on a range of subjects including tying ties. iStockphoto.com hide caption

itoggle caption iStockphoto.com