I think we are on the same page. Don't worry about QR codes, it kills the vibe of an "organic" meeting. Just do it via GPS. I wouldn't worry about liability,

I think we are on the same page. Don't worry about QR codes, it kills the vibe of an "organic" meeting. Just do it via GPS. I wouldn't worry about liability, look at the physical contact Tinder is promoting :) I think the rating should be on the group overall, and not on an individual level. Negative individual ratings should only be done with consensus, if everyone says Bob was a bully. Then Bob's a bully. But if only Debbie says Bob was a bully, then maybe Debbie just overreacts. If Debbie constantly negatively rates against the consensus, then Debbie probably isn't a good fit for group situations.