Ticker-tape symbol

• Co. with an Extreme Blue internship program
• Tech giant known as Big Blue
• Noted blue chip
• Deep Blue's creator
• Many an early PC
• Company that invented the ATM and the UPC
• PC maker
• Former co-owner of Prodigy
• Watson developer

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.