For a recent speech to a travel company, we pulled together some data on the changing shape of travel due to low-cost carriers, online travel information and social-media driven word of mouth taking tourists beyond the usual top destinations. As in any industry that democratizes, you should see more diversity and the demand should be spread out over more "products". In this case, that this would be driven by:

Lowered flight costs = more travel, more risk-taking Lower "search costs" ...