If you've got a good solution, there are plenty of systems you can make more efficient (not only salesmen and UPS :-) I would make a list, create a consultancy and propose my services to the industries with the highest remunerative potential :-)
Love the interface and the real-time aggregation thing. However I think it would be even better if one could submit the topic to be searched and aggregated for --> not limited to events chosen by you. For instance I'd like to find mention of my company at specific times (during a viral campaign, etc.)
A good way of understanding the popularity of a website is google trend. This article on Techcrunch shows an example of obvious bad data with Hitwise (which can be applied to Alexa and Compete as well): http://www.techcrunch.com/2009/03/20/new-hitwise-stats-show-...
At the end of the day, everyone who owns a blog or a website (myself included) has been able to experience first hand how flawed the data from such companies are by simply comparing them with their own google analytics data :-)