Old phone numbers in the U.S. had letters to denote the telephone exchange that handled any given number, a practice that lasted until the late 1970s.

"We used numbers that visually resemble letters (1-I, 5-S, 7-T), and we replaced them," states the expert. The words were presented to participants during tenths of milliseconds (imperceptible to ...

The first two letters of the name were usually capitalized, and they corresponded to the first two digits of the phone number on a dial. This system started in the 1930s and lasted well into the '60s.

Letters and Numbers: A Watch's Typeface. By VICTORIA GOMELSKY JAN. 17, 2016. ... ‘‘I was not afraid to cut some of the numbers in segments to increase the feeling of lightness,’’ he added.

The man behind the 2003 report responsible for many current password guidelines says the advice is wrong. Bill Burr, the author of an 8-page publication released by the National Institute of ...