Explanation of Northern Ireland, and the U.K. and more

Some of you may be wondering about the difference between Ireland and Northern Ireland and the U.K. Here is a video I found that explains it all very well, better than I can. So if you ever had any confusion about the U.K. or Great Britain or anything like that, this video explains it. Hope you find it helpful!  http://www.youtube.com/watch?v=rNu8XDBSn10