In 1839 the Boston Morning Post printed the first known published use of this now common term.
Mechanization
Interface
OK
Clueless
OK. There are many theories as to the origin of the now-pervasive term. The two most popular are that it comes from the political campaigns of Martin Van Buren and is an abbreviation of Van Buren’s nickname "Old Kinderhook," taken from his place of birth The other is that it stands for "oll korrect" a common 19th-century spelling of "all correct."