Schwinn’s Bell Choir makes holiday music from bicycle bells, and lets you pick the song and share it via Facebook or Email.
Click over here to start spreading the joy, then let the site run amok after you’re sent some greetings and watch the, uh, carolers do their thing in the background. Quick tip, put your mouse on the white bar at the bottom of the site to see all sharing options appear. 10 minutes later, you’re right back to work.