“AM I THAT OLD?” is available in the iTunes App Store, Blackberry World, and in Android.

The simplest app ever!  Do you know how old you are in second? minutes? hours?  Well, this app lets you know instantly.  Simply enter your date of birth down to the nearest minute and you can count up your age by the second.  Recent cool upgrades have neat binary, hexadecimal, and Roman numeral options.