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Q71: Although many content communities allow open access

Q72: _ is/are online service(s) that facilitate communication

Q73: _ is the process of determining the

Q74: If a Creative Commons license contains ND,

Q75: When communication is _, messages are held

Q77: Social networking can be traced back to

Q78: A message _ contains the sender and

Q79: Technologies similar to instant messaging were available

Q80: Social media are categorized into four groups:

Q81: The protocol used in a local email