“Tech firms that offer lavish perks to their staff do not do so out of the goodness of their hearts. They offer them because they expect people to work so hard that they will not have time for such mundane things as buying lunch or popping to the dry-cleaners. As Gerald Ledford of the University of Southern California’s business school puts it, they are “golden handcuffs” to keep people at their desks. Some of the most extravagant perks are illusions: “take as much holiday as you like” may really mean “take as little as possible, and as much as you dare.” Some have vaguely sinister undertones: might the option for women to freeze their eggs end up becoming the expectation?”