CES in January is expected to attract more than 180,000 attendees. The annual trade show features new products and technologies in the consumer electronics industry, including: 3D printing, artificial intelligence, wireless devices, and household robots. Airlines are adding seats to the market to accommodate demand. United Airlines will add flights to and from McCarran International Airport for CES. American Airlines and Japan Airlines will offer nonstop flights between Tokyo and Las Vegas for CES. The Las Vegas Convention Center is undergoing an expansion to be completed before the 2021 CES show.