8x8 Inc. is a provider of Voice over IP products. 8x8 products include cloud-based voice, contact center, video, mobile and unified communications for businesses. 8x8 was founded in 1987 by Dr. Chi-Shin Wang and Dr. Y. W. Sing formerly of Weitek as Integrated Information Technology, Inc., or IIT. The name was changed in the early 1990s. According to the company, IIT began as a chip designer. The company produced coprocessors for microprocessors as well as graphics accelerator chips for the personal computer market during the late 1980s. The company later changed its name to 8x8 and began producing products for the videoconferencing market.