On January 19, 1983, Apple released the Lisa — the first mass-produced personal computer with a graphical user interface and a mouse, priced at $9,995 and ultimately a commercial failure, yet a direct ancestor of every modern desktop operating system we use today.
On March 13, 1983, the Motorola DynaTAC 8000X became the first commercially available handheld mobile phone. It cost $3,995, weighed 790 grams, offered 30 minutes of talk time — and changed the idea of what a telephone could be.
On April 18, 1983, Osborne Computer previewed its upcoming models to industry insiders before they were ready to ship. Word spread immediately, dealers stopped ordering the current model, and the company filed for bankruptcy five months later — giving the industry a term it still uses: the Osborne effect.
In 1983, Microsoft released the first widely available two-button mouse. The original mouse had only one button; Xerox had built a two-button version earlier, but it never reached mass market. Microsoft's release set the standard that has defined computer mice ever since.
