Social media

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Across
  1. 4. a photo sharing application that has gained more than 300 million users
  2. 5. a self-portrait taken using the reverse camera screen on a smartphone
  3. 7. a small attractive application on a website such as a hit counter
  4. 10. a pictorial representation of a facial expression which is used in writing
  5. 11. an image or username that represents a person online most often within forums and social networks
Down
  1. 1. a free URL shortening service
  2. 2. a message sent on Twitter
  3. 3. simple web pages that can be edited by other users
  4. 6. platform founded by Mark Zuckerberg
  5. 8. a network for online picture sharing
  6. 9. a site updated frequently by an individual or group to record opinions or information