In order to sell your thing, you need to build trust with your customers.
In order to build trust, you need to communicate and build relationships. To do this effectively, you must ensure your MESSAGING at every touch-point (everywhere your customer experiences your brand) is cohesive and on-brand.
There are multiple places to communicate with your customers (email, social media, blogging, advertising etc), but no matter which you choose to focus on, you need to make sure you’re using the right language to speak to your audience effectively and get them to really hear your message.