Deciding "thin" just isn't thin enough, Spigen SGP is back with the latest edition of its glass screen protector. GLAS.tR Nano Slim for iPhone 5 ($40) is only 0.23mm thin, down from the 0.4mm of GLAS.tR Slim. Otherwise, it's pretty much the same product: same cutouts, same pack-ins, same look and feel. The thinner size does help enable greater case compatibility.
