Most people have been asking whether the Google Nexus One is an iPhone-killer; but there's a phrase in the official Google blog that suggests it's something much bigger: the fusion of computer and mobile, with the Internet as the digital glue - a true "nexus" device. If Google can encourage other manufacturers to come out with more, lower-cost models, this could be the device that the billions of people currently with neither computer nor mobile phone could use to access the Internet. And all running on Linux.