Picture this

It has taken 120 years and a revolution in electronics and communications to bring about its demise, but the the film camera seems destined for the museum shelf. Photography is changing fast. Miniature digital devices that look more like phones or watches are just the start: these cameras in disguise can pay for your shopping, find you true love or help solve crimes. Soon they will go far further: they might be paper thin, or built from water. And they’ll take a perfect picture every time…