Stock trader Chris Lotito studies a computer screen at the New York Stock Exchange on Jan. 2. In the business world, many use digital devices 8 to 10 hours daily, including computers, tablets, and cell phones.
Stock trader Chris Lotito studies a computer screen at the New York Stock Exchange on Jan. 2. In the business world, many use digital devices 8 to 10 hours daily, including computers, tablets, and cell phones. Mark Lennihan AP
Stock trader Chris Lotito studies a computer screen at the New York Stock Exchange on Jan. 2. In the business world, many use digital devices 8 to 10 hours daily, including computers, tablets, and cell phones. Mark Lennihan AP