Cortana explained: How to use Microsoft's virtual assistant for business
Cortana is a voice-enabled virtual assistant developed by Microsoft to help Windows 10 users initiate requests, complete tasks and anticipate future needs by surfacing relevant data in a personal context. Since Cortana’s release on Windows 10 in January 2015, the technology has evolved to support Android and iOS devices, Xbox, the Edge browser, Windows Mixed Reality headsets and third-party devices such as thermostats and smart speakers. According to Microsoft, Cortana is currently used by more than 148 million people.