For the first time in history you don't need a trip to an oracle to get to a response to "unanswerable" questions.
With open data on the web, you might not be able to afford the Nielsen dataset, but you can get other information from another source. E-retailers are opening up access to their datasets so you can "see" what is happening in the market place. New start-
ups are scraping the web for impossible amounts of product retail information. The government has hooks to statistics and records which we can now access electronically. Programs have been written which allow us to use others' algorithms to add latitude and longitude to your dataset. Libraries provide access to databases and statistics which were previously inaccessible unless you were in the building itself. This information can be pulled together and added to your data collection to enhance the value of what you already have.
- City of Seattle building permit data (1992- October 2016). This also includes a visualization of permit application trends from 2011-2016.