automagically = automatic(ally) + magically
automagically: How something works when you don't know how it works, or when you don't want to have to explain every minute detail. Automagically is very useful when you're trying to explain software or the Internet or Twitter to someone who is totally ignorant about technology.
"Enter up to 140 characters, press Enter, and whatever you typed is automagically viewable by everyone in the world who wants to look at it. And, honestly, thousands of people really want to know when you're changing your adult diaper."