Send your name to the Moon

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WASHINGTON -- NASA invites people of all ages to join the lunar exploration journey with an opportunity to send their names to the moon aboard the Lunar Reconnaissance Orbiter, or LRO, spacecraft.

http://www.nasa.gov/mission_pages/LRO/news/nametomoon.html

Yeah.. it's pointless.. but you get some cool bragging rights and a cool printable certificate ! (And need I say you become a tiny part of space history) :D