Do you think you would put in extra unpaid time if you could or did telecommute?

It has been found in past research studies that employees who are allowed to telecommute actually work approximately three extra unpaid hours a week. But telecommuting is often used as a negotiating tool by an employer. In order to telecommute, employees must accept a lower salary, typically 10 percent. What do you think about this? Have you ever telecommuted? Do you think you would put in extra unpaid time if you could or did telecommute?