Maybe consumers aren't as dumb as we thought. Despite keeping their eyes glued to their phones in the hopes of snapchatting and instagramming with everyone in their social network, all those posts aren't moving the needle when it comes to making a sale, according to eMarketer. An August 2017 study from CivicScience, an online polling company that surveys consumers on their favorite websites and social networks, found that very few US internet users have made a purchase based on ads the...