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People need to be themselves and say what they like to say, but it seems most wants to talk about what others are talking about which makes most threads uninteresting to engage with.

Most people don't care about engagement, hence you can't even know which is a great thread. Also, people engage only on where they think they can get upvotes.

A hot thread to me is one that talk about reality and have life in it. And it also depends on how the author present it.

Hmm... that will be a thread sparking conversation, generating continuous replies above 10. My thoughts.

Well, to generate better threads, we will consider creativity, more original content and with quality images.

I hope this helps.