With the users do not need to be concerned with new software versions and compatibility problems because the application service providers (asps) offer the most recent version of the software.

Software as a Service (SaaS) is the correct answer of this  question.

Explanation:

Consumers do not need to be concerned about new software updates and compatibility problems with the Software as a Service (SaaS) because the application service providers (asps) provide the newest version of the software.Software as a service (SaaS) is a concept for the continuous delivery in which applications are hosted by a third-party provider.

For example:

answerthey protect the head and neck in rear impacts;