Oh, and they will sell you the datasets they've already scraped using mobile devices: https://brightdata.com/lp/web-data/datasets
This actually explains a phishing attack where I received a text from somebody purporting to be a co-worker asking for an Apple gift card. The name was indeed an employee from a different part of the large company I worked for at the time, but LinkedIn was the only possible link I could figure out that was at least somewhat publicly available information.
This should probably be required in all CS curriculum: https://ocw.mit.edu/courses/res-tll-008-social-and-ethical-r...