Answer:
test marketing
Explanation:
Test marketing is an experimental test of a product in a real life market. Buyers are studied in live shops or market without them knowing. It is conducted on a small scale to see the effectiveness of a marketing strategy.
When the products do not perform well at the test marketing phase it is assumed it will not also perform well in the real market, so they are termed failed products.
The marketing manager in Ithaca maintains a museum of failed consumer products from the test marketing stage.