Madison Square Garden's Surveillance Machine

Previously (13 points, 6 days ago, 4 comments) https://news.ycombinator.com/item?id=47806033

(10 points, 6 days ago) https://news.ycombinator.com/item?id=47812263

Related: Madison Square Garden's surveillance banned this fan over his T-shirt design (219 points, 2025, 89 comments) https://news.ycombinator.com/item?id=43511340