It's easy to recognize the symptoms: The sigh of envy at a friend's tropical vacation photos on Facebook. The left-out feeling upon seeing Instagram evidence of a peer's latest party. The wild desire to buy a ticket to a concert that everyone seems to be going to.
The cause of those emotions, known as FOMO, or fear of missing out, has become part and parcel of today's social media-fueled universe. In 2013, the Oxford English Dictionary evenadded FOMO to its lexicon, reflecting growing millennial anxiety about possibly missing exciting or interesting events happening around them, particularly those shared...