For all of you who play Halo check this out.  The gist of it is 1 billion online Halo 3 matches have occurred as of last night.  And players have logged 64,000 Years of playtime.  Read the full article it's pretty interesting.

http://www.bungie.net/News/content.aspx?type=topnews&link=CGHV33KGD2R9D3W9V4QY7MF9Q