Over the past few years, counter surveillance gadgets which might have been the preserve of secretive government departments a decade ago have suddenly hit mainstream shops - from Mission Impossible-stlye self-destructing drives to some rather eerie counter-surveillance masks.
Many of us have moments when we need, or want, to be more private online - when searching for a new job, for instance, or when having a private business conversation.
Many New Yorkers don’t place a particularly high value on their private data - from fingerprints to social security numbers - having proven willing to give away such details in return for a literal, edible cookies.
Concerns over Snapchat privacy rocketed this week after users were bombarded with spam messages written in a style which suggests that a user’s own friends think they are overweight.
Facial recognition is booming, with the market expected to grow from $1.92 billion to $6.5 billion in 2018 - and invading markets such as dating, with Match.com integrating a service which finds users dates based on their exes.