For the development of beginning ideas, the method incorporates brainstorming and deepens and widens it with metaphor; it also adds an important evaluation process for Idea Development, which takes embryonic new ideas that are attractive but not yet feasible and builds them into new courses of action which have the commitment of the people who will implement them. Synectics is more demanding of the subject than brainstorming, as the steps involved imply that the process is more complicated and requires more time and effort. The success of the Synectics methodology depends highly on the skill of a trained facilitator.