In a proper, secure environment, no. Social media is built around the idea that your content is yours to manage. Your story is your own little space where you decide what goes. While there may be some extremely rare glitches or if a hacker somehow gets in (which is very difficult with modern security), under normal circumstances, no one can post on your story without your go - ahead.
Generally not. Your story is typically under your control, and tagging alone doesn't give someone else the authority to post to it. This helps maintain the integrity and ownership of your storytelling.
Posting someone else's story on your own without their consent is not a good idea. It might cause legal issues and it's not ethical. You should always get explicit permission first.
Well, the way to repost varies. For instance, on Instagram, you often find the repost option under the three dots menu. But on Twitter, it might be labeled differently. You have to explore the interface of the specific platform you're on.
Adding someone else's post to your story is often straightforward. Just search for a sharing icon or a specific option labeled 'Add to Story'. Keep in mind that the availability of this feature can depend on the platform's settings and your relationship with the poster.
The process varies. For instance, on Instagram, you can tap the three dots on the top right of the post and choose 'Repost'. But on Twitter, there might be a retweet button. Just explore the options available on the specific platform you're on.
On most social media apps, you can look for icons like arrows pointing outwards or three dots. That's where you'll find the repost function. But keep in mind, not all posts are allowed to be reposted, depending on the settings of the original poster.