Kathy Ray's List: creativity

"Build on each others’ ideas. It's easy to kill an idea, so especially in the early stages, systematically follow up ideas with, "yes, and" instead of shooting them down with "no, but" comments.
Generate lots of ideas. At this point quantity is more important than quality, so really let loose. Time to grab a pile of sticky notes or your favorite note-taking app. The best way to have a great idea is to have many ideas.
Write headlines. Being able to describe an idea in less than six words helps you clarify it. Imagine your favorite media outlet or magazine covers your great idea: What would you want the headline to read?
Illustrate. Pictures are usually louder than words and harder to misinterpret.
Think big. Invite bold, intrepid ideas—yes, this is the "10x" part—not incremental solutions. As Frederik Pferdt, Google's head of innovation and creativity, likes to say, "Just beyond crazy is fabulous!"
Defer judgment. Don’t judge ideas in the midst of brainstorming (remember Rule #1) but let them grow so you can build on them and iterate."