First-rate reporting by Alana Semuels. Read the whole etc., but the bottom line as a teaser:
The relentless drive for efficiency at U.S. companies has created a new harshness in the workplace. In their zeal to make sure that not a minute of time is wasted, companies are imposing rigorous performance quotas, forcing many people to put in extra hours, paid or not. Video cameras and software keep tabs on worker performance, tracking their computer keystrokes and the time spent on each customer service call.
Among other things, the article is an excellent reminder of why raising the retirement age for Social Security is an incredibly horrible idea.