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It is a bit frustrating, it bothers me sometimes. Perhaps this limitation will encourage people to think harder about what they decide to publish. I think one of the main problems with social media is that people publicly publish every thought they have... which isn't really necessary or useful. With the 7 day window, it forces us to carefully consider the quality of what we post.

Yes. It's a bit frightening to know that when I hit "post" its out there forever. Still getting used to it.