The present invention relates to a method 50 of evaluating commercial prospects for a product. The method comprises the step of presenting a plurality of questions to a user 52 of the method, with each question reflecting a different characteristic of the product being evaluated. The method then comprises the recording of an answer 56 given by the user to each question and the weighting of each recorded answer differently 60. The method also comprises providing an evaluation of the product to the user 64, with the evaluation being based on the plurality of differently weighted answers.