GIF도 원래는 'BMP'란 포맷을 대체하고자 나온 포맷
In 1994, when Compuserve and Unisys attempted to impose royalties based on the LZW algorithm patent, GIF virtually vanished from the Internet for about 10 years due to it being patented. In 2006, after all related patents expired, GIF regained popularity as an animation file format.
