ASCII (i/ˈæski/ ASS-kee), abbreviated from American Standard Code for Information Interchange, is a character-encoding scheme (the IANA prefers the name US-ASCII). ASCII codes represent text in computers, communications equipment, and other devices that use text. Most modern character-encoding schemes are based on ASCII, though they support many additional characters. ASCII was the most common character encoding on the World Wide Web until <answer>December 2007</answer>, when it was surpassed by UTF-8, which is fully backward compatibe to ASCII.
ASCI was the most common character encoding on the world wide web until when?
December 2007