It is getting ever easier to record anything, or everything, that you see. This opens fascinating possibilities—and alarming ones.
Thanks to digital technology the world is replete with cheap and highly capable cameras. ABI, a research firm, reckons there were a billion built into the mobile phones and tablets shipped in 2012 (many boast more than one). Adding a run-of-the-mill digital camera to a phone, or pretty much anything else, costs about $10. Narrative, a Swedish company that has raised $500,000 through Kickstarter, is marketing a clip-on life-logger the size of a coin.
Read more at The Economist