At first, we thought it's a cool solution that could help us manage our voice support better as we have lots of inbound calls every day, but were afraid to try it as the installation seemed a little difficult for a non-developer. But it's super easy for e-commerce sites like ours - you just need to create an account (they even give you the whole month to try it for free), create a call button and install the Shopify module. And you're done - your customers can call you directly from your website and the agent taking the call sees a lot of valuable information.