Salesforce's range of off-the-shelf environments and editions provides businesses with a quick and flexible starting point with which to run their sales and marketing processes.

Salesforce operates on a SaaS (Subscription as a Service) model, meaning there is no software to install or servers to maintain for the end user. It's simply a matter of activating a subscription, and Salesforce will provide a company with a pre-built set of environments into which they can begin dropping their business data.

These initial environments act as starting templates. They're pre-configured with a common set of features and settings, so companies can hit the ground running without spending months building custom code or configurations from scratch.

But every company is different. With differences between industry verticals (e.g. healthcare, finance, education, hi-tech), operating models (e.g. charities, for-profits, co-operatives), and company size (global corporations to startups), each company will need to customize Salesforce's default templates to get the most value from the platform.

For example, charities might want to include specific donor information as part of their tax relief programs, and healthcare companies might need additional controls over data protection.

Through its platform, Salesforce enables its users to modify their environments to do whatever they need. The combination of a powerful suite of development tools and an intuitive UI allows each customer to super-charge Salesforce — and this is one of the key reasons it's so popular.

Making changes doesn't stop after the initial setup of environments. Over time, the requirements of a business will change, users will request features to be amended, and developers will find more efficient ways of doing things. All of these will require ongoing changes to the orgs.

Salesforce also releases regular platform updates, introducing new features for its users. Each of these platform releases will have knock-on changes that users must prepare for.

As a result, Salesforce customers have a constant stream of changes and updates to their Salesforce environments throughout their use of the software. Managing this constant change is at the core of Salesforce release management.