OAuth is like a valet key for all your web services. A valet key lets you give a valet the ability to park your car, but not the ability to get into the trunk or drive more than 2 miles or limit the RPMs on your high end German automobile.
I'll be a panelist here: Conference 2007: Empowering, Encouraging, and Exciting Home Educators Saturday, October 6, 2007 9:30 am till 6:00 pm USNH, 700 Hartford Turnpike, Hamden, CT
links for 2007-09-24