The future is here. The concepts of Headless CMS, and Content as a Service (CaaS), have moved from optional to imperative. Predicting where your users will access your content, be it mobile, a website, chat, voice (or whatever comes next), will become increasingly important, requiring you to come to the party prepared, solution in hand.
Personalization is about targeting content that is tailored to individuals based on their needs and interests. Why is this important? With the flood of content people are exposed to every day, they will only read what is relevant and valuable to them. The rest will just get ignored.