{"ok":true,"trend":{"id":399210,"platform":"mastodon","region":"global","key":"london’s live facial recognition trial scanned more than 500,000 faces across railway stations over six months. 📷 the £3","title":"London’s live facial recognition trial scanned more than 500,000 faces across railway stations over six months. 📷 The £3","url":"https://mastodon.social/@knoppix95/117356014295351636","first_seen":"2026-09-29T20:25:51.578704Z","last_seen":"2026-09-29T20:26:50.133114Z","last_rank":7,"peak_rank":1,"last_volume":7,"peak_volume":7,"seen_count":1,"score":60.88,"category_hint":"ai","section":"technology","category":"technology","summary":"A live facial recognition trial in London scanned more than 500,000 faces across railway stations over six months, at a cost of £320,786. The £320,786 trial produced a single watchlist alert, which was later confirmed as a false positive. Critics are highlighting the figures as evidence that the technology is expensive and ineffective, reviving debate over mass surveillance in public spaces.","why":"The cost-to-results ratio of the trial is sparking renewed criticism of facial recognition surveillance in public spaces.","tone":"negative","entities":["London","The Guardian","British Transport Police"],"summarized_at":"2026-09-29T20:26:28.940793Z","meta":{"tag":"artificialintelligence","via":"scan","kind":"status","lang":"en","instance":"mastodon.social","tag_uses":584},"nw":null,"promo":null,"kind":null,"importance":null,"hidden":false,"hide_reason":null,"judged_at":null,"title_en":"London facial recognition trial scanned 500,000 faces for one false alert","section_name":"Technology","category_name":"Technology","timeline":[{"captured_at":"2026-09-29T20:25:51.578704Z","rank":1,"volume":7},{"captured_at":"2026-09-29T20:26:50.133114Z","rank":7,"volume":7}],"posts":[{"platform":"mastodon","url":"https://mastodon.social/@knoppix95/117356014295351636","author":"knoppix95","title":null,"snippet":"London’s live facial recognition trial scanned more than 500,000 faces across railway stations over six months. 📷 The £320,786 trial produced one watchlist alert, which was later confirmed as a false positive. ⚠️ 🔗 https://www. theguardian.com/technology/202…","posted_at":"2026-09-29T19:37:47.352000Z","likes":7}],"elsewhere":[],"window":"7d"}}