"Do a little. Change a lot." That's the motto behind One Today -- a Google-built app that launched a few months ago to those who requested an invite. Now, however, it's free to download for all Android users in the United States, enabling those who do to donate a dollar per day (or more, of course) to an ever-changing list of nonprofit organizations. Each day a new project will be showcased, replete with details on what it's about
