They are willing to pay other companies and people with webpages for showing their advertisements. Just like on television, where companies pay big bucks for sometimes seconds long commercials. The Internet is also a way to conduct market research. It''s a relatively cheap way to get opinions from customers. The Internet can also being used to research the needs and wants of customers.
Electronic commerce is maybe number one way to sell products in the future.
It's for companies important build up a good reputation with regard to their homepage, so people will come back again and eventually buy products. All you have to do is download a bar, which you open every time you are on the Internet. The bar is a small banner, where some advertisements are shown. I don't know whether that is going to change in the future. They send a check every month, you should defenitely check it out.