All transactions on the Steem blockchain are permanent and public. What does it mean? When you publish a post, it remains forever in the blockchain and you cannot delete or edit it. And the same is true

At platforms, like Facebook, where people use their real name, there is a tendency of less and less public posts. They are using instant messages instead or make a closed group with some friends. This

At Facebook, users are persons with numerous interests and feelings. Blogs are about one type of interest and the passion about it. Which one is better? Which could work better on Steem and why?