There are a lot of ways to donate to a cause online. While using social media may help in promotion, it may not be the most effective way to get people to actually give.
A view from the starting line of the sixth annual Krispy Kreme Challenge in Raleigh, N.C., in 2010. The local children's health clinic takes its name from this annual charity race, which draws about 8,000 participants each year.
Courtesy of Dustin Bates
Rick Perry ended his presidential campaign Sept. 11, but there was $13 million left in the bank of a superPAC supporting him. The superPAC says it's given donors their money back.
Scott Olson/Getty Images
A big crowd turned out for the March of Dimes walkathon in Gainesville, Fla., in early March. But overall, the March of Dimes' March for Babies raised $3.5 million less in 2014 than it did the year before.
Elizabeth Hamilton/Gainesville Sun/Landov
Tom Murphy, 56, in his home in Gainesville, Va., was diagnosed with ALS four years ago. An experimental drug seems to have slowed the progression of his disease, he says, though most ALS patients aren't as lucky.
T.J. Kirkpatrick for NPR