Reverse brainstorming is a method that uses brainstorming to generate bad solutions to the problem, and then see how those could be transformed into good solutions. The negative thinking allows the participants to perceive solutions that they would otherwise consider unthinkable.

Any type of ideation with a group of people works best when you are in the same space, together so that you can feed of each others energy. This is not always possible. This exercise could be done online, provided there is a shared online workspace like a Mural / Miro whiteboard, and people keep communicating through visual and audio aids. With groups larger than 5 people, separate break-out video-calls should be facilitated - preferably supported by a facilitator per group.