“@mashable: From solar roadways to mind-controlled exoskeletons, 14 innovations that improved the world in 2014: http://on.mash.to/16O4RvP ” #fb
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@mashable: World Cup exoskeleton allows paraplegic to walk againhttps://youtube.com/watch?v=6WO71e0XLqs …Thanks. Twitter will use this to make your timeline better. UndoUndo
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