This is a possible use for the grid computing economy mentioned in part 1 , a media store funded by grid computing. The basic model works like this: a research group buys a large block of computer time for some major computational work they need done. That work is distributed in manageable blocks to users with spare processor cycles in exchange for credits.

The economic model for a lot of the Internet is to earn money through advertisement instead of directly from the consumer. This works great for online services like search engines, social networks, news and webgames where people come back to view the advertisements many times.