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hehe sure, rather quickly .. @actifit is a Steem-based mobile dapp (Android only for now, iOS in a week or two) that rewards and incentivizes people to get active and healthy. App auto-tracks your movements, records the count, and rewards are based on posting this activity from app to Steem.
We reward people via AFIT tokens (projected ERC20 till SMTs are released) and Steem upvotes. We launched around 6 weeks back, we're now rewarding around 160 posts per day, and in total more than 1.5 mil tokens.