"Solo brainstorming ensures that all people are heard."
Yes, brainstorming can really suck. But, over a 30 year history the satirical newspaper, The Onion, has honed a very deliberate process for brainstorming headlines and story ideas that just might be the secret of their success. The key is found in a balance between solo and group work sessions.
Article: No joke! Yes, you can learn from the seriously applicable ways that The Onion brainstorms its ideas