1. Have a lot of ideas – go for quantity
2. Get another point of view
3. Look elsewhere
4. Build on others ideas
5. Forget all rules and restrictions
6. No criticism
7. Take more risks
8. Make new combinations
9. Welcome unusual ideas
10. Challenge assumptions
11. Put every idea on a post-it
12. Change the rules of the game
13. Take a pause (incubation time)
14. Look for impossible ideas
15. Think outside the box
16. Go cross-industry innovation
17. Stimulate co-creation
18. Take enough time for selecting ideas