Wikipedia was founded.
Apple introduces code-name Cheetah (MacOS X), which later released on March 24, 2001.
Dell became the largest PC producer. As of January 2019, Lenovo is the largest PC producer.
Windows XP was released.
Twitter was launched.
The online currency Bitcoin was introduced by a person with the fake name Satoshi Nakamoto.
Instagram was launched.
Verizon makes a deal with Automattic, a software company for web development, to sell Tumblr.