As community makers, we all know how difficult it is to engage members. We do our best to follow innovative ideas and copy successful strategies that other communities have used. But what we should never forget to do is experiment.

Whether it is a topic of discussion or an entirely new way to engage your users, experimenting is the best way to ensure that your content is fresh, that your engagement will be good.
After all, there's nothing better to attract people than something they have never seen before.
Just for safety though, before going ahead with a test model, make sure to get your plan checked by someone. They might be able to give valuable insight into it.