it had to happen sometime...
in france we used to have 8 digit telephone numbers. about 10 years ago they ran out of new numbers so they added a 2-digit geographical prefixe to make more. of course before the 8 digit numbers they were even shorter. i imagine with all the cell-phones (some people have more than one) we'll eventually end up with 20 digit or more telephone numbers... thank goodness for speed dial !
meanwhile,
here is what happens when you run out of ip addresses.