Android on a mainstream digital camera? Yes, you will live to see the day. We're at Samsung's Korean headquarters this week, where we had an opportunity to sit down with the company's research and development team to talk about the past, present and future of digital imaging. Much of those discussions were off the record, but we have secured permission to touch on one detail that we found quite fascinating: an "open" camera operating system. One rep offered up that "we are considering Android-based because our smartphone is Android-based," which means that t