Amazon’s new Silk browser has raised some eyebrows among privacy and security experts. Amazon introduced its new Kindle Fire touch-based tablet and browser that will run on the Android-powered device. Amazon will maintain an open connection between Silk on the Fire and its Elastic Compute Cloud (EC2) service, and will act as a middle-man proxy on all page requests. Security expert: “Every site, everything you do online [through Silk] will go through Amazon. That’s a new role for someone like them””]