Donorschoose

Get a free $15 gift code for DonorsChoose.org, a site that lets you give money to a specific classroom project. The code is available for a limited time. To get the free gift code, text "possible" to 77177. You'll get a reply asking for your zip code. Send it and within seconds you'll get a text...

Comedy Central and Jon Stewart paid the tab to host the Rally to Restore Sanity, but they'll be measuring their gains in terms of influence, not cash. There were profits to be made from the event, though, and one of its biggest beneficiaries is one all Americans can support: The National Mall itself.

Raising money for causes or friends in need is nothing new. This basic idea has existed practically forever in the offline world, with fundraising drives, bowl-a-thons and charity dinners. But with the rise of social networks, our "friend-base" has grown from our co-workers and neighbors to an...