First and foremost, ServiceNow is a web application you can access through your browser in order to track and automate work. Beyond that basic explanation, ServiceNow is a bit like the software equivalent of the blind men and an elephant parable. What ServiceNow is to you depends largely on which piece of it you get your hands on first. As a company, ServiceNow provides both Platform as a Service (PaaS) and Software as a Service (SaaS) offerings via it’s Now Platform in a single tenant architecture.