IdeaPaint is a company that allows you to turn your entire wall into a whiteboard, so as you might imagine they have some great ideas for how best to brainstorm in your business.
In this useful article from OpenForum they provide seven great tips for making the most of your brainstorming sessions, ranging from obvious advice like keeping a record of work by taking a picture of it and remembering that sometimes the best brainstorms are actually boring because they only exist to organise schedules and prioritise activities rather than coming up with the latest great invention.