Your phone tracks you everywhere and other people can buy that data.
Here’s another story about this:
The data we were given showed what some in the tech industry might call a God-view vantage of that dark day. It included about 100,000 location pings for thousands of smartphones, revealing around 130 devices inside the Capitol exactly when Trump supporters were storming the building. Times Opinion is only publishing the names of people who gave their permission to be quoted in this article.
They Stormed the Capitol. Their Apps Tracked Them.