Internet words

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Across
  1. 2. is a broadcast from a Ipod.
  2. 4. is a thing in computers that detects every key you type.
  3. 6. is a regularly updated personal journal or a conversation.
  4. 8. is a history tracking devise
Down
  1. 1. words or phrases used to mark keywords.
  2. 3. an online social networking service.
  3. 5. reader is a portable electronic devise that you can read on.
  4. 7. a computer program