What is the definition of media?
a. media are conversations between two friends.
b. media are only the cameras used in movie making .
c. media are only the news reporters who write stories for newspapers.
d. media are any forms used to transfer a message, whether via people, print, or electronics.

the major difference between the two is the objective and the reward of the game. candy crush has a puzzle theme with the objective of meeting a specific quota of points or objects, you are able to gain access to the next level and compete with peers on the process. on duolingo the objective is rather different, you are given sets of questions for you to answer for you to move to the next level and as for the reward, you are able to learn available language as this is an app developed to teach the user about other languages.