MORE IDEAS FROM THE ARTICLE
Every organization consists of 2 general types of people:
The Yes-men and Yes-women only spout regurgitated pap, so don't invite them.
The ones that usually have negative ideas will come in handy later, when you're sorting through the ideas, but but they're not useful when you're generating them.
If you're brainstorming, don't characterizes ideas as "bad." Yes, there are bad ideas, but they're the fertilizer out of which good ideas grow.
When it comes to brainstorming meetings, the terms "long" and "productive" are an oxymoron.
Think 15 to 20 minutes. The moment everyone's energy starts to flag, end the meeting before the storm turns into a dull drizzle.
Two of the biggest innovations of modern times are cars and airplanes. At first, every new invention looks like a toy. It takes decades for people to realise the potential of it.