&gt; An example is people tweeting food, if you follow thirteen people who post pictures of their lunch, then you will only have a comparatively good lunch once every two weeks.<p>This is a great example, and it applies to everything. Looking at stoves? Your buddy just got a top-of-the-line range. Looking at lawnmowers? Another buddy of yours got a $3,000 riding mower. Looking at cars? Another friend just bought a BMW.<p>As a result, you get the extremely powerful feeling that you should own <i>all</i> of these while in reality, your friends splurged on <i>one</i> thing.<p>I set up a home gym a few weeks ago. Just like everyone else, I happily posted it on Facebook and contributed to the problem. The thing is, I don&#x27;t really do anything else; I&#x27;m too goddamn busy to go out, to go on vacation, to buy a boat or fifth-wheel or anything like that. I saved up for two years to buy it, too. But that&#x27;s not the message that gets posted on my Facebook wall right alongside the fantastic vacation that someone else took, the $200 that another person spent at a fancy restaurant, the new car that the next person bought...<p>Facebook and the media make everyone compare their daily life to everyone&#x27;s highlight reel. And that&#x27;s really, really dangerous.