Whether you love or hate social media, one reason why you keep coming back is due to vendor lock-in. After spending a significant amount of time curating an online reputation, the thought of having to redo all of that work is daunting. The amount of effort involved often outweighs the potential benefits of moving to a different service.
Now the tech giants are working on ways to make that process easier by creating standard formats for data interchange. If that comes to fruition, it will create a more level playing field.