In many cases, people can tell. When a story is told, it often comes with the storyteller's emotions, intonation, and personal perspective. If you replay it without capturing those elements, it will seem off. Also, if the story is part of a shared experience or within a small group, others may remember who originally told it. Say in a family gathering, if a family member tells a story about a childhood event, and you replay it without any real connection to it, others may notice.
Well, it's not always easy to tell. If you do a perfect replay, maybe they won't notice. But if there are any differences or if you act strangely, they could catch on.
In the majority of social media apps that have story features, such as Snapchat, Instagram, and Facebook, the person who posts the story cannot tell if you replay it. These platforms are designed to respect the privacy of the viewer in this regard. Replaying a story is seen as an individual action that doesn't require the knowledge of the story creator. This allows users to freely go back and review a story if they want to without the worry of the creator being notified.
Yes, usually people can see if you replay their story. Most social media platforms have features that notify the original poster when their story is replayed.
Well, on Snapchat, the functionality is such that when it comes to Snap Stories, the person who posted it won't get any notification if you replay it. It's different from normal snaps in your chat, where replay might be restricted or the sender could be notified in some cases. But for Snap Stories, it's a more public - viewing kind of thing and there's no such 'replay detection' for the story creator.