The watch form factor requires a relatively small screen size, and there is not much room for input devices or batteries. The value of a wristwatch platform depends on finding good solutions to these issues. To interact with the watch, we need both hands since the hand on which the watch is worn is practically useless for controlling input devices on the watch.
Several smart watches are available commercially today. Personal Information Management (PIM) applications are provided on the Seiko Rup
高分辨率智能手表应用程序设计-3766字.docx