Six Great Ways to Ruin a Brainstorm

1. Having no clear objectives

2. Too homogenous a group

3. Letting the boss act as facilitator

4. Allowing early criticism

5. Settling for a few ideas.

6. No closure or follow through.

ref to: http://www.lifehack.org/articles/management/six-great-ways-to-ruin-a-brainstorm.html