This is what is going to fuel the next wave on the web. There are so many publishers on the web, but not everyone does so in a structured manner. With the huge amounts of free data out there it is essential that tools are developed to make it more digestible. Visualization data mining has caught on in a big way because of the increased need to simplify large pools information, and it will continue to grow more useful and prevalent the more structured data that is freely available.
If Freebase produces a addon for browsers similar to what Wikia Search has done, the number of contributions will explode.