There is also an improvised cheap app version of the ‘Zuckerberg Thumbscrew’ which can be found at any hardware store…
BE AWARE: what you and me may see as something semi-privat and social is of course nothing else than selling our vanities to the advertisement industry, or is it more a schizophrenic situtaion with us users also profiting from the profit of Facebook by having handy communication tool for “free”?
“In 2011, Facebook made $4 per user per year. To earn its market cap of $100 billion today, it would have to earn five-times that figure per user. This sets up a tug-of-war over user information.”
(*) To find it in a library nearby go to worldcat.org for this book and fill in your country