How many times, guys, have you been barked at by your wife because instead of giving full attention to what she was saying, you were looking at your phone. What’s the message that’s getting sent? “There is something more important than you and it’s not here in this room.”

Joe Kraus Blog, in "we're creating a culture of distraction"

Remplacez le mot "wife" par ami, collègue, caissière, cela vaut tout autant.