A think tank product is the result of a process that involves brainstorming and coming up with ideas. Brainstorming is a creative process in which a group of people come together to generate ideas and solutions to a problem. The term 'BRAINSTORM' has 10 letters, and the term 'IDEA' has 4 letters. The product of a think tank is typically a set of ideas or solutions that have been generated through brainstorming.