I’m a fan of Magic: the Gathering, and I actually got this idea from Gatherer, the magic card database, which has a discussion section for every single card where people can chat about it. Here’s Serra Angel.
I was wondering, what if WaniKani had something like that? I think it would be super cool to allow people to comment on individual kanji/radicals/vocab, which other people could then (optionally) see when learning or reviewing that item. It would help with retention, it could let people vent about particularly hard-to-remember items, and it would be encouraging to see the thoughts of those who have gone before me, to see that I’m not alone on the path!
Plus, sometimes the provided mnemomic doesn’t work for me, I have trouble coming up with a good one of my own, and I’d love to see if anyone has something better. Or the opposite, I have an awesome idea for a mnemonic that I think other people learning the item might appreciate!