Semi-related: In digital advertising you can buy ads based on the weather, at the current time, at the users location. This costs a small amount of money (advertiser pays a company for that data). So companies who know weather very precisely can sell that data. But other companies buy that same data from multiple companies, aggregate it, and claim theirs is more accurate. Other arbitrage the data. Others find average temps/etc and predict the weather.

So similar market forces are back, but fueled by advertising. The same thing happens with geographical data and million other data points.