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Ask HN: How and what data free wif-fi service providers are selling?
A lot of venues like coffee shops, hotels and airports offer free wi-fi.
The market size is $12B: https://www.marketsandmarkets.com/Market-Reports/global-wi-fi-market-994.html
Assuming this is not just installation costs, what data are these service providers collecting and to whom they are selling it?
- lmorandi 3y agoUssualy they collect device information such as make, model, OS, MAC Address and the browsing history. Also they can track social media information if you login with your google/facebook account. They may use this information for marketing and advertising purposes, or sell it to Advertising companies, Third-Party Analytics Companies or even Government Authorities.