I once saw a guy first hand with visible addiction to email. He was addicted to email like I was addicted to HN and tech news or other people are addicted to F

I once saw a guy first hand with visible addiction to email. He was addicted to email like I was addicted to HN and tech news or other people are addicted to Facebook (news). There's no more news to read yet you still check. There is no more Facebook post yet you still check. There are no more emails for the day yet you still check.