Posted on Ars yesterday, and no thread on it???? LTD why have you been slacking?? Link to patent application. Personally I don't think this is going to work out as well as people think. The laser-etched holes would have to be really small in order to be invisible. The laser-etched holes in the current unibody MBPs that show the battery charge are plainly visible to me from at least 2 feet away.