“It shows how easy it is to identify someone in these large crowds”
Not sure of the technology used, something with a cellphone. A friend of our family had a pretty good idea his sisters husband was cheating on her. The brother and husband worked at the same corporation Whatever, the husband had a “business” trip planned to Florida and he said there was a group of guys going to a football bowl game. The brother somehow captured photos of the husband and his girlfriend in the stands. Ended a fifteen year marriage.
“...what you do in secret...”