The first smartphone

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Across
  1. 5. Shortcut of palmtop
  2. 6. What IBM showed off in 1994?
Down
  1. 1. The Simon Personal Comunicator was manufactured by?
  2. 2. The name of the first ever mobile phone made by Motorola
  3. 3. He was the very first person on earth to envision devices that combine telephone communicator capabilities and computing
  4. 4. Smartphone premiered by Steve Jobs in 2007