Open Brainstorms

Ask people to build off a previous idea.

Organize a live time when people go to your question at the same time. Live brainstorming is more fun and yields more ideas.

Ask friends to invite friends to your question

Challenge people to generate more than 10 ideas.

Ask interesting questions and post the link to your question on your blog, on facebook, on myspace, in your email signature, or any other place you can advertise it.

tell them the brainstorming-criterias (many answers, all ideas wellcome, no ranking)

give answered peoples an certificate that they gave useful answers for the theme ""

allow brainwriting-methods also

ask people who need many time between question and answer

create a simple contact-website for answers

allow them to answer in any language

make a picture of the problem from the theme to help to think about it

put a note with your question on your door of your home, and also a pencil

research if other people interested in the object of your question, are there business unsers, communities ... ?

also write your most interested question here, and in many languages

show, if there is a google-Newsgroup for the theme

Create an Blog to ask for comments

ask the people who already gave an idea if they will invite some of their friends

pay them