All third-party integration with Shopify occurs via a Shopify private application (an application defined in your Shopify store), and every application is owned by one and only one Shopify profile. You could either develop and code your own service to operate your application, or you could use an existing service to act as your agent.
The SocialOomph service is the agent that acts as the operator of your Shopify application.
This arrangement means you own the Shopify application that posts to your Shopify properties, and you use SocialOomph as the software engine to do that posting for you.
It holds the following benefits: