Tethered by a High-Tech Leash

Tethered by a High-Tech Leash explains how "knowledge workers" have become "day extenders":

For virtually all "knowledge workers," the days of leaving the office at the office are gone. Blackberry pagers, cell phones and "always on" Internet access mean workers, too, must always be on.
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Even though laptop computers — and the requisite technical support — can be expensive, companies quickly learned they recouped the investment when workers started logging in from home. A Gartner Group study in 1998 showed that employees who work an extra three hours a week from home make up the added costs.
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Maskell, who is trying to recover from workaholism, now works about 60 hours per week, down from 80 three years ago. Her company's management prides itself on promoting a healthy work-life balance, she said, but it's only a mirage. While employees usually leave work before 6 p.m. every day, suggesting a healthy lifestyle, many log in and work at night from home, allowing management to live in "ignorant bliss" of the real work conditions.