There should be a standardized API so people can easily move their data from one provider to another, proving that they are person X on platform Y and transferr

There should be a standardized API so people can easily move their data from one provider to another, proving that they are person X on platform Y and transferring all their content (tweets, posts, videos, etc.) with just a few clicks using OAuth. It's technically possible and would make changing platforms easy, making entry of new participants in the market a lot easier.