Business-to-Business – The exchange of information, products or services between two businesses – as opposed to between a business and a consumer (B2C).

3 Quick And Easy Ways To Build A Profitable Opt-In List
You finally realize that you need a good opt-in list. After reading countless articles and sought expert advices and have read many success stories of people creating a small fortune with opt-in lists you finally decide to have one of your own.