I think a lot of people don't notice the annoyed glances they get, though, because they aren't looking at the faces of the people around them. Obviously this m

I think a lot of people don't notice the annoyed glances they get, though, because they aren't looking at the faces of the people around them. Obviously this may not apply to you personally, but quite a lot of people don't seem to realize how frequently they're checking (like any mostly-unconscious nervous tic...), and when a new email does appear, how often they simply zone out during the 10 seconds or so they take to figure out that no, this isn't something urgent and can be ignored until the next day.