Original article at iNews:
Moving away from theoretical models
The ONS has also recently begun experimenting with web scraping to collect consumer price information; it has so far managed to collect 7,000 price quotes in a single day for a selection of grocery items on large supermarket websites; more than the 6,800 prices that make up its monthly Consumer Price Index report based on the old school approach of physical trips down the aisles.
Read more at: https://inews.co.uk/inews-lifestyle/money/the-music-we-listen-to-can-tell-us-a-lot-about-the-state-of-the-economy/