Salesforce is an example of which type of cloud computing service model?

Salesforce is an example of a Software as a Service (SaaS) cloud computing service model.

Here are the steps to understand why:

1. Cloud computing is generally divided into three service models: Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS).

2. IaaS provides users with virtualized computing resources over the internet. This is not what Salesforce does, so it's not an IaaS.

3. PaaS provides a platform allowing customers to develop, run, and manage applications without the complexity of building and maintaining the infrastructure typically associated with developing and launching an app. Salesforce does offer this to some extent with their Force.com platform, but this is not their primary service.

4. SaaS uses the internet to deliver applications, which are managed by a third-party vendor, to its users. A majority of SaaS applications are run directly through the web browser, and do not require any downloads or installations on the client side.

5. Salesforce primarily provides customer relationship management (CRM) service to businesses, which includes all aspects of interaction that a company has with its customer, whether it be sales or service-related. This is done through their application which is accessed over the internet, not requiring the user to install any software.

6. Therefore, Salesforce is an example of a Software as a Service (SaaS) cloud computing service model.