You now have the ability to order people to do anything you want, and they will obey without question. In other words, you have the [url=http://static1.wikia.nocookie.net/__cb20091112001661/codegeass/images/1/1f/Geass_Children.png]power of kings.[/url]
There are multiple limits to your ability. It will only work ONCE per person. You need eye contact with the person. You must say your order out loud. Also, after your 'order' is done, the person will not remember the fact that they were ordered to do anything.
You are given the task of taking over the world. Given the fact that you have this ability, how would you do it? What would be your plan for world domination?
Some clarification on the rules: [spoiler]By 'once per person' it means that you can only use it once before on a single person before it has no effect. If you order your friend to make you a sandwich, your ability will no longer work on him afterwards. Your friend will also not remember the fact that he made you a sandwich.
Eye contact can't be done through a television or something. They need to be looking at you. So you can't look at Obama through a live stream and tell him "kill yourself lol".
And yeah, you need to say the order out loud. Enough so that the person you are ordering can hear you.
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Weeboo scub.