Read more: Is Kevin’s “Hi” the most efficient joke in the show? One word was all it took. Here’s a new article from https://reddit.com/r/DunderMifflin/comments/1tg0tqx/is_kevins_hi_the_most_efficient_joke_in_the_show/: Continue here: Is Kevin’s “Hi” the most efficient joke in the show? One word was all it took.