Have you ever wondered what's tracking you as your browser wanders around the Internet? Now you can find out. In Short Circuits: Privacy and security are big topics now, in part because of the FBI's request to have Apple develop a way to break into one of their phones, but we'll also consider some new hardware that includes encryption by default. Both Webroot and ESET have new reports that outline the scope of malware and other threats. Hint: It's not getting any better. Google pulls the plug on Compare. In Spare Parts (only on the website): Scientists at the Los Alamos National Laboratory say some new research provides clues about how diseases move through a population, something new from Amazon (free training), and bit.ly (the little company that started out just shortening links) is all grown up and making a big move.