Last week, we shared how the folks at Panic had pulled apart one of Apple's Lightning to HDMI digital AV adapters in an attempt to figure out why it didn't seem to output true 1080p HD video. To their surprise, they found that it contained a tiny computer featuring an ARM processor and 256 MB of memory. They had some thoughts on how the accessory might be working its magic, namely that it could be using AirPlay in some way, but now someone claiming to be an Apple engineer has come forward with what's sa