Social networking

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Across
  1. 3. electronic posting of mean-spirited messages about a person often done anonymously
  2. 6. having an unknown or unacknowledged name
  3. 7. someone who pretends to be someone they're not using Facebook or other social media to create false identities, particularly to pursue deceptive online romances
  4. 8. online mobile photo-sharing, video-sharing and social networking service
Down
  1. 1. online social networking service that enables users to send and read short 140- character messages called "tweets".
  2. 2. social networking website that allows registered users to create profiles, upload photos and video, send messages and keep in touch
  3. 4. form of stealing someone's identity in which someone pretends to be someone else by assuming that person's identity
  4. 5. person who is habitually cruel or overbearing, especially to smaller or weaker people