Keeping employees on electronic leashes such as laptops, BlackBerries and other devices that keep them constantly connected to the office could soon lead to lawsuits by those who grow addicted to the technology, a U.S. academic warns. In a follow-up to an earlier paper on employees' tech addictions, Gayle Porter, associate professor of management at the Rutgers University School of Business in Camden, New Jersey, has written a paper that states workers whose personal lives suffer as a result of tech addictions could turn their sights on their employers.