Which statement about direct$-$mail messages is most accurate?

Direct mail is an effective channel for personalized, tangible$,$ three$-$dimensional messages that are less invasive than telephone solicitations.

Today's companies no longer send direct$-$mail messages to market their products or services; they rely exclusively on electronic media instead.

Direct$-$mail marketing is less effective than online marketing.

All answer choices are accurate statements about direct$-$mail messages.