Hey, my 8x10 already has one of those built-in. It only cost about thirty bucks and doesn't even need any batteries or software! ... But let's just see if in twenty years or so, if one of these gadgets operates as both high-resolution capture and
viewing on a very thin stiff large sheet, replacing both GG and film, and all the clumsy digital backs avial now. Remember how bulky and expensive cell phones originally were? But it didn't happen overnight.