Lenovo released its Tianxi () computer in 1998. Designed to make it easy for inexperienced Chinese consumers to use computers and access the internet, one of its most important features was a button that instantly connected users to the internet and opened the Web browser. It was co-branded with China Telecom and it was bundled with one year of Internet service. The Tianxi was released in 1998. It was the result of two years of research and development. It had a pastel-colored, shell-shaped case and a seven-port USB hub under its screen. As of 2000, the Tianxi was the best-selling computer in Chinese history. It sold more than 1,000,000 units in 2000 alone.