Australian government utilizes web scraping to compile its pricing index

The Australian government utilizes scraping to read pricing information from major shopping sites, to compile its regular pricing index. If a site 'spoofs' the government's scrapers, the pricing index (CPI) will be skewed.

Read more here: http://www.abs.gov.au/ausstats/abs@.nsf/Latestproducts/6401.0Feature Article2Sep 2017