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They are incredibly promising. Having the dynamic of getting payouts with them within communities/groups you choose to affiliate and have closer control on how the tokens are issued and how value is created is incredibly intriguing. Having them issued at a customized mode, whether it be in curation rewards or simply upvoting a vested member in a group could go a long way in maintaining and building membership here. It's all future projection of course, it really depends on how they are understood but it does really reward the people that do a lot individual community based activities.