I think the concept is neat, and this could be a worthwhile mode for some chat apps. I would get rid of the cute range names though and just tell users how many

I think the concept is neat, and this could be a worthwhile mode for some chat apps. I would get rid of the cute range names though and just tell users how many km this reaches. I remember there was a project exactly like this in nReduce (a communal online incubator which sadly died quickly), a few years back.