Vesa Juvonen asked the community to give some typical examples of business 'applications' that are build as client-side applications, before typical by utilizing ContentEditor or ScriptEditor. And now likely candidates for SharePoint Framework (SPFx) utilization:
Tell us more about #SharePoint Dev usage! - What are the scenarios where you use Script Editor Web Part? What are you achieving? Reply, thx.
— Vesa Juvonen (@vesajuvonen) August 25, 2017
Naturally I'm a good community participant / citizen, and answerred with some example scenarios I build myself of behalf of internal business stakeholders...