Clearly, that "e-reader" is really a 10-inch Galaxy Tab: It's making a video call (not something you'd do on, say, a Kindle) and it has the same row of buttons on the bottom bezel as the smaller 7-inch Tab.

CNN: Samsung teases 10-Inch Galaxy Tab

We also have shots of the Grandstream GXV3140 making a Skype video call in the gallery below.

ENGADGET: SkypeKit beta SDK adds Skype to any application or device

Simply sign into Skype with your existing Skype Name, or create a new account on your HDTV, and you are a few clicks away from making a Skype video call from the comfort of your couch.

ENGADGET: Logitech launches TV Cam HD for living room video chats: built-in Skype, 720p, $200

Making a video-to-video call should be as easy as dialing a phone number.

FORBES: Cisco Appeals EU Approval Of Microsoft/Skype Deal

Wii U chat also got a brief mention, with the Japan-based Iwata-san making a quick call to his American colleague Reggie Fils-Aime, with streaming video and audio -- and a little bit of art -- done through the GamePad's touchscreen.

ENGADGET: Nintendo Wii U unboxed alongside more details: Multiple users, 'karaoke' microphones and Wii U Chat (video)

Unlike the video response parodies for Gangnam Style, Call Me Maybe or Somebody That I Used To Know, making a Harlem Shake requires very little preparation.

FORBES: The Present Shock Of The Harlem Shake