Google on Thursday unveiled its Nexus 5 smartphone, the newest of own branded devices in the space and a champion for the latest version of its Android operating system. The hotly anticipated addition to Google's Nexus line is powered by a new "KitKat" version of Android, which was redesigned to work across the wide range of handsets built with the Internet titan's free software inside. "Now you have one version of the Android operating system that can ship across all versions of smartphones in 2014," Sundar Pichai, head of the Android and Chrome teams, said while providing a look at the new software and Nexus 5. Being stuck with old versions of Android also means that users don't get access to upgrades or improvements cranked out by Google.



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