3 Truths About Unlimited PTO — Why Employees Are Worse Off With Endless Vacation Days Three truths that might make you reconsider the appeal of unlimited PTO. Previous Article Stop Saying 'I'm Bad at Remembering Names.' Use These Simple Tips to Break the Bad Habit Once and For All. Next Article 'No Question, We Probably Went Too Far': Delta Airlines CEO Backtracks on Sweeping Changes to SkyMiles Accounts, Sky Club Access