TD Magazine Flexibility Is Key to Employee Happiness in a 24/7 Work World By ATD Staff Tuesday, September 8, 2015 0 Comments Bookmark Main Site Sign in Page Don't have an ATD account? Don't have an ATD account? Forgot your Password? Already an ATD customer without a web account? Institutional subscriber? Click here to sign in. Share Buy This Article Member-Only Content The majority of U.S. workers (53 percent) feel overworked, but are surprisingly happy with their jobs (86 percent). Advertisement You've reached ATD member-only content. Sign in below or join ATD to continue. Sign In Subscribe