Twitter Messages, Called _________, Carry a Limit of 140 Characters

Q13: A(n) _ specifies a keyword that can

Q14: In the United States, copyrights do not

Q15: Facebook does not provide ways to discover

Q16: Sociologists use social network diagrams called _

Q17: Editing the source content of wikis is

Q19: To find detailed information about the origin

Q20: _ tags make it possible to search

Q21: _ networking provides a platform for users

Q22: A(n) _ work repackages a copyrighted work

Q23: Online _ is/are two or more online