The internet is the ultimate marketing and sales tool for the foreseeable future. There is no other medium that allows you connect with people from just about anywhere on the globe, to just about everyone else on the globe.
And, never before has a business owner had the ability to launch a product around the globe in milliseconds. The cost of ownership is negligible in comparison to the power placed at your finger tips and yet companies are still missing the boat when it comes to web marketing.
As a business owner you need to have an interactive web site. It is 24/7/365 global marketing system. If you don't understand this, I can't help you.
First build an updated site with the ability to interact with your customers, then take it to the next level: promotion, email campaigns and engagement.