In a recent article on the Pantheon blog, "Top 4 Drupal 9 Benefits That Have Produced a New CMS Design Species", Murray Woodman speaks on personalization and the benefits of taking a composable approach to architecture in Drupal and the digital experience stack on generally.
On Drupal being well placed to be a key player in a composable platform:
Over the years, we've seen an explosion in the number of marketing and social platforms on the market, and many new services are coming and going — creating a rapidly evolving landscape. Leveraging the strengths of Drupal 9 is critical on the enterprise-level. Drupal is well placed to be a key player in the evolution of the open web.
On personalization in Drupal and how contrib modules such as Personified and JSON Template are opening the door to easy decoupled personalization:
The key to successful personalization is having solid content to support the user experience and knowing what you want to say to your users. Once you have the strategy, then it becomes a matter of implementation. Drupal 9 provides an excellent base for the management of content and there are now a number of contrib modules which bring personalization to life.
Read the full article on the Pantheon blog.