What is it?
Affinity map is a visual data sorting and grouping tool for organizing the information which you abtain at the end of the different sessions.
How can I use it?
Write each idea to the separate post-it. Look for patterns and relations between them. Create groups by using related post-its and try to reach main themes. Name main themes and analyse.
When can I use it?
You can use it as an organizing tool after brainstorming, observation, testing and similar processes.