Source: Bigstock

I once spent a year heading a division at a business intelligence company. I managed a team of researchers who collected data on local entertainment events. Storytime at libraries, bands at local pubs, sports matches, theater, charity 5K runs, art openings, museum exhibits, church festivals, and major acts of every variety -- if it took place in a market we covered, we collected it. After editing and entering into a custom database, we sent this data out to customers -- such a...