It will be a network of networks. With increased efficiency and ease of use of the internet, many middleperson jobs will be eliminated. It is up to the people in these fields to make sure they create new value in order to remain employed. It's just not enough to offer some sort of service any more because people will not pay for something that they can easily do themselves. It is necessary to find a new function of their profession that will have value in the new economy.
People can go onto the web and find airfares at the lowest possible rates.
They don't have to sit on hold with any airline or travel agency. Some travel agencies have created new value in their profession by searching out those low air fares and posting them on their web pages. Some others have set up search engines that their members can use to find the lowest fare on any given date from whatever city they want. They have used their knowledge of their profession and created a new function that has value in this new economy. New innovations are constantly in demand.