Facebook's Mark Zuckerberg announces a new messaging system called "Chat Heads" which allows users to connect with their friends through profile pictures that bubble up on the screen.
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(Photo by Stuart Ramson/Invision for Disney Consumer Products/AP Images)
Do 'Star Wars: The Force Awakens' toys hold clues about film's plot?
Luke Skywalker remains the last Jedi, if one gadget is to be believed.