1. Global Auction Sales Soared to a Record $12.6 Billion in 2021. https://www.barrons.com/articles/global-auction-sales-soared-to-a-record-12-6-billion-in-2021-01641328947, Jan 4, 2022
2. Online Auction Market: 8.07% Y-O-Y Growth Rate in 2022 | by Product and Geography—Forecast and Analysis 2022–2026. https://www.prnewswire.com/news-releases/online-auction-market-8-07-y-o-y-growth-rate-in-2022--by-product-and-geography---forecast-and-analysis-2022-2026--301549132.html, May 18, 2022
3. It's a crime to use Google Analytics, watchdog tells Italian website. https://www.theregister.com/2022/06/24/italy_google_analytics/, Jun 24, 2022
4. Italian data protection authority warns against the use of Google Analytics. https://www.computing.co.uk/news/4051808/italian-protection-authority-warns-google-analytics, June 24, 2022.
5. Chang C-C, Cheng T-F, Chen W-Y (2013) A novel electronic English auction system with a secure on-shelf mechanism. IEEE Trans Inf Forensics Secur 8(4):657–668