Which of the Following Are Advantages of Collaboration and Brainstorming

Which of the following are advantages of collaboration and brainstorming gamification systems?

A) The identification of leadership potential based on influence within an online community
B) The ability to reward product champions
C) Reducing the number of apps employees have to access to do their job
D) Customers can determine the outcome of a social media campaign
E) Increased connections and sharing of ideas