Wecanexpressthoughtsandfeelingsandsendsoundsandpictu...
问题详情： Wecanexpressthoughtsandfeelingsandsendsoundsandpicturesonoursmartphonestoday.WealsocommunicatebyusingprogramslikeSkypeandFaceTime.Wecan'tsendtastes,smellsortouch,ofcourse.Butscientistsi...