input: [Service] Software usage, updates, and support [What We Offer] All features are included in all SEO-Cart plans. And our support team is readily available to help you if you have an issue, regardless of which plan you fall under. We update our software regularly. You will always be using the latest version SEO-Cart. [Common Practice] 
output: Some carts limit features based on plan and charge you extra for priority support. Some carts charge you to update to their latest version.