Jeff Barr allows you to edit your business schedule.

Jeff Barr, developer of web services at Amazon.com, created a wiki page with a schedule of his meetings. It would seem - to create and create, what's wrong with that? But the thing is that anyone who wants to meet with Barr can change this schedule.

On a specially created page , Jeff’s work schedule for May of this year is displayed. To assign him a rendezvous, you need to click on the Edit Page button and make changes (you probably shouldn't joke). In general, recognizes Jeff, the experiment was very successful - in a short time he managed to meet and get to know the right people. Probably, many people with a tight business schedule would have had such a page by the way.

via Jeff Barr's blog