One of the major trends at this year's CES has been adding on smart assistants to just about everything, ranging from vacuums and ovens to high-definition televisions. But Alexa isn't the only home assistant to jump into the Internet of Things fray: Microsoft has partnered with manufacturers Nissan and BMW to bring its smart home assistant Cortana to their cars. Through the dashboard, you'll be able to perform tasks like finding event times, getting directions or making restaurant reservations. Availability on cars that Cortana functionality will be integrated with was not available. The move is one of several that Microsoft has made into the automotive space.