The Tipping Point by Malcolm Gladwell, page 9-10
Have you ever thought about yawning, for instance? Yawning is a surprisingly powerful act. Just because you read the word "yawning" in the previous two sentences—and the two additional "yawns" in this sentence—a good number of you will probably yawn within the next few minutes. Even as I'm writing this, I've yawned twice. If you're reading this in a public place, and you've just yawned, chances are are that a good proportion of everyone who saw...
The Tipping Point by Malcolm Gladwell, page 9-10
...you yawn is now yawning too, and a good proportion of the people watching the people who watched you yawn are now yawning as well, and on and on, in an ever-widening yawning circle.
Yawning is incredibly contagious.
The Tipping Point by Malcolm Gladwell, page 9-10
@soren *yawns*
