GMAT Critical Reasoning (CR) | Joanne: An increasing number of online retailers now allow c

The Question is asking that for the plan to succeed what is the assumption made.I feel the same that if the customer don't use the retail websites,then the whole arguement will fall through.But the answer choice says the entire opposite.It says for the plan to succeed , the assumption made is that the customers don't use retail websites primarily to purchase gifts.I m a little confused here.If they dont use online shopping then how will the retailers know about the wishlists?




...

---