The person who uses a product or service. If you make T-shirts, a person wearing your shirt is the end user. If you make websites, the person who hires you is your client or customer and the person using the website is the end user. Either way, do your best to avoid referring to people as “users” in your marketing materials. It’s accurate but not ideal.

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.