Internet marketers know very well how important an opt-in list is if they are to succeed in making known their business all over the world. No Internet business can exist and continue to thrive without an opt-in list. Others who fail to build an opt-in list should not expect to make it big in the web business.
Good business sense especially in the web, means being able to build a list of prospects. These are potential customers who may have a need for the products or services being sold by the site and so they should rightly receive regular information about the site.
A person who goes to business should build the foundation of his business if he wants it to be a successful money-making venture. One of the foundations of a good web business is the procurement of a massive opt-in list which will serve as a regular source of potential customers.