Which of these can companies use to increase user engagement by incorporating game-playing aspects in an activity or process?

A) Radical connectivity
B) Information overload
C) Mobile connectivity
D) Digital publishing
E) Gamification

Gamification is the use of game-playing elements, such as point-scoring, competition, and rewards, in non-game contexts to increase user engagement and motivation. Companies can incorporate gamification in their activities or processes to make them more fun, interactive, and engaging for users.