Voice mail is 25 years old. (U.S. Patent No. 4,580,012)
Over lunch one day, Gordon Matthews took a restaurant napkin and scribbled an idea that would become an indispensable tool few can imagine the modern world without.
(Article).
Voice mail is 25 years old. (U.S. Patent No. 4,580,012)
Over lunch one day, Gordon Matthews took a restaurant napkin and scribbled an idea that would become an indispensable tool few can imagine the modern world without.
(Article).