A set of questions about a topic that’s used for research purposes. Questionnaires are commonly used in digital marketing to get feedback on user experience (UX). For example, you might send one after a customer makes a purchase to find out if they experienced any confusion during the checkout process. Marketers also commonly use questionnaires after someone unsubscribes from a newsletter or other mailing list.

Building Your Business with an Opt-in List
Before revealing the secrets of the trades, here are myths and fallacies that need to be cleared before one indulges into building an opt-in list.