Facebook Could Eliminate 75% of Its Servers by Changing Their Programming Code - Or at least that's the argument of one programmer, who writes that by switching from PHP to C++, Facebook could move from 30,000 servers down to just 7,500 servers, and trim 49,000 tons of carbon dioxide emissions from its footprint. But as you can guess, this statement doesn't go without debate.http://www.treehugger.com/files/2009/12/facebook-could-eliminate-75-of-its-servers-by-changing-their-code.php (via http://ff.im/dfcir)
