Inception, a recent Hollywood blockbuster, had created a lot of interest among the viewers even before its release due to the credentials of its makers. The movie was discussed in social network pages and discussion forums.
The discussions increased after its release and it helped the movie do good business.

Which of the following most closely describes the type of marketing discussed in this example?
A) personalized marketing
B) direct marketing
C) interactive marketing
D) word of mouth marketing
E) technology marketing