Simplified answer: They’re like email servers, and posts are like really advanced emails. You’ll see the same content on all 3 of these since all the content is automatically emailed between them (you don’t need an account on every instance like you don’t need multiple email accounts).
Where things get different is how the content is displayed to you.
Simplified answer: They’re like email servers, and posts are like really advanced emails. You’ll see the same content on all 3 of these since all the content is automatically emailed between them (you don’t need an account on every instance like you don’t need multiple email accounts).
Where things get different is how the content is displayed to you.