"Big Blue" computer company

• Company whose name is also its stock symbol
• Company that developed Fortran
• "Think" sloganeer
• Developer of the one-named "Jeopardy!" contestant Watson
• It began as Computing-Tabulating-Recording Company
• Creator of a chess champion
• IT giant
• Corporate initials
• PC introducer of 1981

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
also (in early use) I.B.M. , initialism (acronym) attested by 1921 from International Business Machines Co., name in use from 1918.