BETAMAX
Betamax
Betamax is a consumer-level analog videocassette magnetic tape recording format developed by Sony, released in Japan on May 10, 1975. The cassettes contain -wide videotape in a design similar to the earlier, professional wide, U-matic format. The format is virtually obsolete, though an updated variant of the format, Betacam, is still used by the television industry.The above text is a snippet from Wikipedia: Betamax
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