I think they're getting at the idea that it was demoed as a real time babelfish, where a conversation simple happened between two people wearing the devices. Instead it was a glorified spoken dropdown selector for choosing the language, and a press and hold mechanism that just tied into the existing phone app without any actual changes or upgrades to that already available translation mechanism. The thought was that you'd simply start talking to each other and hear the other in your language as you go - not speak a block all at once, stop, translate, play back from your phone to them, stop, let them speak a whole reply at once while the phone listens to them, stop, translate, hear their response in your earpiece. Which basically meant the device itself didn't bring much if anything to the table that couldn't be done with any other headphones and doing the language select and start/stop recording on the phone itself.