Quit Social Media. Your Career May Depend On It. (Via Cal Newport at NYT)
"In a capitalist economy, the market rewards things that are rare and valuable. Social media use is decidedly not rare or valuable. Any 16-year-old with a smartphone can invent a hashtag or repost a viral article. The idea that if you engage in enough of this low-value activity, it will somehow add up to something of high value in your career is the same dubious alchemy that forms the core of most snake oil and flimflam in business."