People worry that Big Brother and Big Tech are invading their privacy. But a more immediate concern may be the guy next door or a shifty co-worker.
A growing array of so-called smart surveillance products have made it easy to secretly live-stream or record what other people are saying or doing.
Consumer spending on surveillance cameras in the United States will reach $4 billion in 2023, up from $2.1 billion in 2018, according to the technology market research firm Strategy Analytics. Unit sales of consumer surveillance devices are expected.