Oh internet, we love your animated GIFs and sad Keanu websites, but how much attention are we really giving each link? According to a recent study by URL shortener Bit.ly, a standard link is clicked for an average of three hours until traffic subsides by 50 percent, eventually fading away into oblivion. If we're talking about a super timely news story like an earthquake hitting the east coast, well, its half-life was a paltry five minutes. When URLs are shared on social networks, th