 While working for Teleregister, Berezin also developed the first computerized banking system.In 1968, Berezin had the idea for a word processor to simplify the work of secretaries, and in 1969 she founded Redactron Corporation, which became a public company and delivered thousands of systems to customers throughout its international marketing organization.The company's main product was called the "Data Secretary" and it was the size of a small refrigerator, had no screen, and the keyboard and printer was an IBM Selectric typewriter.