Timing is one of the most important parts of getting "hits" on social media, and while it can be optimized for, it's not always controllable. A post may succeed because someone made an attention-getting comment, for example, and that's just the luck of the commenter running across the link when he or she had the time and inclination to leave a note.
Social is fickle that way, and since most social algorithms strongly consider post recency and other time-sensitive factors in their ranking, duplicates should be allowed within a reasonable time frame, because you never know when the critical path will get hit.
Social is fickle that way, and since most social algorithms strongly consider post recency and other time-sensitive factors in their ranking, duplicates should be allowed within a reasonable time frame, because you never know when the critical path will get hit.