From
http://www.autobloggreen.com/2007/01/08/ford-airstream-concept-a-shiny-hydrogen-powered-phev-funmobile/ :
"In the U.S., 11,000 people turn age 50 every day."
This is so unfair. Not that I'm particularly looking forward to turning 50, but I think the benefits of daily birthdays would outweigh the downsides.