14th January 2008, 12:09 AM
This is pretty much true. Their servers won't need to be replaced but they would need to code pretty much from scratch, further the new system would need to be backwards compatible.
"On two occasions, I have been asked [by members of Parliament], 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?' I am not able to rightly apprehend the kind of confusion of ideas that could provoke such a question." ~ Charles Babbage (1791-1871)