What are the correct descriptions of cloud customer service?

The correct description of cloud customer service is as follows:

Cloud customer service is a seamless conversational technology that helps enterprises communicate instantly through their customer service.

Cloud customer service uses chatbots to solve common problems in customer service.

Cloud customer service allows businesses to communicate with customers through online communities, social media platforms and text messages.

Cloud customer service can help enterprises automatically classify intelligent customers and assign workflows.

Cloud customer service is based on the Internet and relies on cloud services to help companies establish virtual customer service centers. Cloud customer service, like other cloud services, can obtain required services through the network in an on-demand and easily scalable manner.