Answer:
Guerrilla marketing
Explanation:
Guerrilla marketing is one of the marketing and advertising methods. In this method, the conventional means are not adopted for the promotion of the product. The seller adopt methods to grab the attention of the buyers and the customers. In this method, surprises, catchy lines and promotional techniques are used lure the customers. Here imagination and creativity is given priority for the promotion.
In the given excerpt, Oliver's company used a tag "never-before-seen" to attract the customers.
