For better or worse, the advent of smartphones and tablets mean that we’re rapidly moving away from the more tactile user experiences that were the hallmark of a bygone era in computing. As it turns out, the folks at Fujitsu are eager to close the book on the days of the physical keyboard if what they were showing off here at MWC was any indication.Tucked away in a corner of Fujitsu’s booth here in Barcelona’s Fira Gran Via was a gentleman typing out words onto a tablet via a keyboard for anyone who would watch him. It sounds like a completely mundane occurrence, except the keyboard he was typing on wasn’t actually there.