You've Been Left Behind
This is a service where, under the assumption that you've been a good little Christian, you can compose emails to be sent to any friends and family that get left behind after the Rapture. It's set up such that the administrators (presumably they are all guaranteed to NOT be left behind) have to log in every day to reset a timer. If 3 of the 5 fail to log in for 3 days, must have been rapture and, after another 3-day waiting period, the emails are fired off.