When Yahoo! CEO, Marissa Mayer, killed the company’s popular work from home policy in late February, she did not only create controversy, but she also sparked a ferocious debate about productivity in the workplace.

According to an internal memo, which was leaked to tech site All Things D, Yahoo! ordered several hundred employees, at the time enjoying working from home, to start working in the office full-time from the 1st of June. Mayer discovered that some remote workers weren’t using Yahoo!’s virtual private network (VPN) often enough; she reasoned that if employees weren’t using the VPN, they couldn’t be working …