1. https://www.google.com/retail/solutions/local-inventory-ads/ 
  2. https://www.digitalcommerce360.com/2017/02/01/consumers-demand-online-reporting-store-inventory/
  3. https://www.thinkwithgoogle.com/consumer-insights/consumer-trends/store-visit-after-online-research-data/ 
  4. https://www.brightlocal.com/research/local-consumer-review-survey/ 
  5. https://www.businessinsider.com/us-consumers-use-buy-online-pickup-in-store-2019-2 
  6. https://policies.google.com/technologies/location-data?hl=en-US