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从摩托罗拉最初推出的“大砖块”到今天的iPhone,手机产业如今已经走过了漫长的25年。25年前的今天,第一部商业手机问世,美国移动通信公司总裁鲍勃巴内特第一次使用摩托罗拉DynaTAC
From Motorola’s initial “Big Bricks” to today’s iPhone, the handset industry has now come a long way for 25 years. Twenty-five years ago, the first commercial handset came out. For the first time, Bob Barnett, president of U.S. mobile communications company, used Motorola’s DynaTAC