Who knows you better than your LinkedIn and Facebook contacts? Lots of people, actually. But when it comes to news about the industries you work in, intriguing and rapidly spreading links, and updates on the topics you care about, the people in your social networks are constantly finding and linking relevant material for you. Services like Trove, Paper.li, and LinkedIn Today offer to round up the links floating through your personal web for you–but which tipsheet should you invest your time in? [...]