Having played with this for over 5 minutes, I quite like the concept, and I think it could be a useful tool for doing market research. But they are few things that could be improved on.
Make the service more RESTy: search queries and individual search results (the snippets of information) should have their own URLs that I can bookmark in my browser and share via email or via my other social channels. Having a bookmarked query makes it easy for me to run the search again later to see if and how it has changed. Emailing links is a lot efficient than copying and pasting text.
There is not a great deal of information in the database at the moment. Hopefully this will improve overtime as Google indexes more sources.
Some searches take a very long time to complete, and for a search engine as fast as Google, this is a bit disapointing.
The search results do not appear to be sorted chronologically. Hopefull this won't be hard to fix.