Every week, Giz Explains breaks down sticky, chewy tech into easy-to-swallow bits, like a mama bird eating stuff and puking it back into her babies' mouths, already digested. We've covered stuff like scary plasma TVs and the image sensors in your digital camera. But what would you like us to explain? If there's something you'd like the quick, essential CliffsNotes on, send an email to tips@gizmodo.com with "Giz Explains" line. We won't tell your friends you asked, honest. [Giz Explains]