Before Office 365 really took off, employees had access to e-mail on their mobile phones. Access to e-mail on a personal device allowed them to review and respond to off hours requests. An action usually done on the employees own time and conscience. This means employees are giving away hours for free, which is a good thing if you’re an employer, right? But the flip side is that an e-mail feels like something you HAVE to respond to; it’s not learning.