A good model has a clearly specified purpose and (ideally) contributes to the realization of that purpose. Possible purposes include: communication between stake holders, verification of specific properties (safety, liveness, timing,..), analysis and design space exploration, code generation, and test generation.
What happens after 10k followers on Instagram?
Once you have 10k followers, Instagram will make it easier for you to get people to your website via Stories with the swipe up to link feature. Swipe up is the only way to get a direct link from your Instagram to your other web properties. And, it’s available in STORIES, if you have 10k followers.