Which of these qualities makes tweets valuable among Twitter audiences?

A) Tweets that are routine,such as "good morning"
B) Complaints
C) Detailed conversations between the account owner and a specific audience member
D) Spontaneous,unprepared messages
E) Tweets that are entertaining,surprising,informative,or engaging

Which of the following terms refers to a multiplayer,competitive,goal-oriented activity with defined rules of engagement and online connectivity enabling conversation among a community?

A) Social community.
B) Social forum.
C) Social entertainment.
D) Social music.
E) Social game.