The sudden rise in the use of AJAX and other similar RIA (Rich Internet Applications ) means that the legendary page views model which has been around since the beginning of the web is going to undergo a major change.
One industry which is certain to get hit by it in the Online Advertising Industry where pageviews are considered an important factor.
Forbes had an article some time back on Ajax breaking the advertising business model:
It also means that services like Google Analytics are a bound to get more users for their service .