Ideas are works in progress -- Thinking Out Loud Donald Noyes Started.20060922 Followup.20110812
They progress as they interact in the mindsets of the people engaged with them. They exist in many different forms and are found to be valuable by those who fit them in to their plans of action.
This sounds like Memetics. Transfering memes back and forth and forming ideas in the heads of the people involved.
That is one way an individual may find of valuing this concept.
Idea Forms
OralPresentationOfIdeas
PresentingIdeasToAudiences
Designing Oral Presentations
IdeaConversations
ConversationWithUsers -- c2.com 
....
WrittenPresentationOfIdeas
Preliminaries
BrainStorming
HandwrittenNotations
. FormingIdeas -- www.zimmertech.com
Sharing Thoughts
Expressing/Sharing -- c2.com
WellFormingIdeas
StructuredApproach
ProjectSpecifications
Reports
Research
Schemas
KindsOfIdeas
ProcessIdeas
ExtremeProcesses -- c2.com
AgileProcesses -- c2.com
...
PatternIdeas
SoftwareReuse
Patterns
. Software -- c2.com
...
PictureIdeas
IdeaVisualizations
Lateral thinking - DrawAndConnectIdeas -- www.conceptdraw.com
Quotes
Great minds discuss ideas, average minds discuss events, small minds discuss people.
Blog: The four agreements by Don Miguel Ruiz: 1. Be impeccable with your word. 2. Don't take anything personally. 3. Don't make assumptions. 4. Always do your best.
Mackay on madness of Ideas -- www.econlib.org
Small group communication -- www.abacon.com
Balanced group thinking - storyboarding -- transitionstressmanage.com
Related:
See original on c2.com