The most obvious drawback of social media is that they are aggressive distractions.
Every technology, including the printing press, comes at some price.
My view of social media is that it is a set of tools, not a religion.
Whether or not Twitter makes you stupid, it certainly makes some smart people sound stupid.
Every time my TweetDeck shoots a new tweet to my desktop, I experience a little dopamine spritz that takes me away from... from... wait, what was I saying?
Buying an aggregator and calling it a content play is a little like a company's announcing plans to improve its cash position by hiring a counterfeiter.