Riverdale Inc

Short Answer

Riverdale Inc. is a multiplatform retailer that does business primarily through direct mail marketing. The company sells approximately 400 products including statues, die-cast vehicles, T-shirts, posters and lithographs, plush toys, and household decorative items. Riverdale management is exploring ways of improving its direct marketing mechanism.
Which of the following, if true, would most weaken the argument for using e-mail for direct mail marketing?
Growth in the use of e-mail for direct marketing is uncertain.
Studies show that a large percentage of such e-mails go directly to customers' spam folders.
Riverdale has traditionally used catalogs for its direct marketing efforts.
Not everyone who has used this medium for direct marketing has been successful.
Only interested customers will go through such messages in great detail.