![Journalist Kashmir Hill wrote the book 'Your Face Belongs to Us.'](https://imagenes.elpais.com/resizer/v2/OVKNPEYWCBFR5DVHULRCB6O2KA.jpeg?auth=5b511605e5a662c7403d3b4dd6fd577b38cce5a40ccd26d32d610f1d6ea9902a&width=414&height=233&smart=true)
Kashmir Hill: ‘They shouldn’t be collecting photos from social media without people’s consent, but they keep doing it and nobody’s stopping them’
In her latest book, the ‘New York Times’ reporter explores the challenges posed by a technology that even Google and Facebook decided not to use