Some Web charities let you connect with the people who will benefit directly from your donation, while others allow you to vet a charity before you contribute to ensure your gift is really going to the people who need it.
Too far away to help personally? You can use Apple's iTunes to contribute to the effort in other ways.
People are turning to social media to bridge the chasm between those in need of life-saving organs and those who can help. This offers hope but also introduces risks.
A study after the presidential debate showed that Twitter users exposed to political tweets are twice as likely to donate as other users of the microblogging service.
For real-time information as incidents are developing, nothing beats eavesdropping on the local police.
Privacy may not be quite dead yet: proposal for surveillance-resistant Internet provider, which could become the ACLU's dream and the FBI's nightmare, finds some early fundraising success.
Four programmers have been raising money to build an open-source alternative to Facebook, and with Facebook's image under fire from both the press and the public, they've now raised an order of magnitude more than they intended to.
Since the tweet "Text HAITI to 90999 to donate $10 to @RedCross relief" went viral, more than $8 million in donations surpasses mobile giving throughout all of 2009.
Amazon shouldn't be measured on its giving to charity, just as corporations shouldn't be judged on their open-source contributions.
Online donations in the United States could surpass $4 billion over the holidays, marketing firm Convio predicts. More than 63 percent of those surveyed plan to give via the Internet.