IST will use the air time -- some of it during prime time viewing hours -- for the promotion and sales of a variety of products, mostly consumer goods, but also industrial and commercial products, Swan said.
First class is the most luxurious travel class of seats and service on a train, passenger ship, airplane, bus, or other system of transport. It is usually more expensive than business class and economy class, and offers the best service and luxurious accommodation. 1 Aviation.
Business class is a cross between first class and coach or economy seating. While both first class and business class offer airline passengers more space and greater comfort than those traveling in coach, the purpose of each class is quite different.