A report from Screen Digest projects 89% penetration of Nintendo’s DS portable console system by 2011. By comparison. the Game Boy Advance (probably the most popular handheld ever) maxed out at 56%. Japanese people of all ages have stopped seeing the DS as a game machine, removing barriers to adoption. Right now, it’s an electronic cookbook, a web browser, a brain stimulator, a pet, an English teacher, and so on. Come on, Nintendo, make us a phone already.