The$$ WD$-40$ Company discovered that a large number of customers use the$$ firm's Multi$-$Use Product to make squirrels slide off birdfeeder poles. This is an example of$\_\_\_\_\_\_\_\_.$

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Part $1$

A$.$

driving out competitors

B$.$

encouraging more usage of its products

C$.$

finding new users of the product

D$.$

finding new uses for the product

E$.$

finding a new market niche for its products