There has been a marked increase in smart products over the past few years, and at no point has this been made more obvious than at the Consumer Electronics Show in Las Vegas last week. As well as the usual spate of announcements and keynotes from the major brands, many fascinating products were on display, with a deluge of smart home products taking center stage. Frequent travelers, meanwhile, tend to rely on the power of their smartphones for checking in, processing boarding passes and generally getting around with ease, but a new smart suitcase by the name of Pluggage could make the generally cumbersome task of dragging around, locating and retrieving our belongings a whole lot easier.