-In 1977, TANDY CORPORATION manufactured the TRS-80 (MODEL I), and computers began to enter our lives after that.

-In 1979, Sharp announced the production of the first handheld microcomputer.

-In 1982, microcomputers became popular, entering schools and homes in large numbers.

-1984: DNS (Domain Name Server) domain name servers are published and run by more than 1,000 hosts on the Internet.

-In 1973, American company Motorola invented the world's first cell phone that could be used by civilians.
-In 1991, the second generation of mobile communication was officially commercialized, and in 1995, cell phones began to spread to the whole world.
-In 2008, Apple iPhone 3G was launched, which opened the era of mobile Internet smartphone, and the contribution made by Apple cell phone can be said to be unprecedented.

-In 1935, Stanley G.Weinbaum's science fiction novel Pygmalion's Spectacles referred to a pair of glasses that predicted today's virtual reality glasses.

-《The Matrix》, released in 1999, brought virtual reality to a wider audience in the form of movies.

-In 1968, Ivan Sutherland designed the first head-mounted display Sutherland.

-In 1990, multiplayer virtual reality arcades and the first VR games were introduced.