this happens because of a simple math equation that has a common reference point of 1900....as the year peoples birth year decreases their age increases....next year everybodies age and the last two digits of their birth year will be 112, then 113 so on and so on.......the thing that makes this so intriguing is the the year 2011, making the dates 1/11/11, 1/11/11, 11/1/11 and 11/11/11 and the math equation of your age being 111..................and no, i didnt figure this out on my own...i just had to know why so i looked it up:D