Crossword from group 1, B Morning-4

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Across
  1. 3. a learning tool in the process of teaching and learning activities.
  2. 5. technology that allows user to make telephone calls over the internet or an intranet.
  3. 7. internet protocol
  4. 8. a distinctive trait or special attraction
  5. 9. a platform with payment function, and other feature such as drift bottle, video calls, and look around
Down
  1. 1. a recording of an image or moving images
  2. 2. a platform where player can plays games, even can win a prizes and can do a live stream
  3. 4. communication services, where speaker can contacts the interlocutor via telephone and online picture facilities.
  4. 5. ability to contact and converse with people in real-time with a telephone
  5. 6. a platform develop by Japanese e-commerence company. Released in 2010