Inventions in 21st century

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Across
  1. 2. a wireless technology standard for exchanging data over short distances
  2. 4. the most popular social media in the world
  3. 7. manipulation of matter on an atomic, molecular, and supramolecular scale
  4. 8. an online news and social networking service where users post and interact with messages
  5. 9. first smartphone
Down
  1. 1. a machine—especially one programmable by a computer— capable of carrying out a complex series of actions automatically
  2. 3. instantaeous travel between two locations without crossing the intervening space
  3. 5. the worlds most popular messenger
  4. 6. an American video-sharing website headquartered in San Bruno California
  5. 9. a small gadget that changed how we viewed and played music