99% of the spam I get is from profiles thousands of kilometres away (and this spam has increased dramatically recently). I also am not really interested in chatting with people who are thousands of kilometres away, that's not the point of grindr for me. It would be great to have an option where I could set a max distance for who gets to contact me. It would reduce most of my spam and also help to ensure that the people I'm talking to are more likely to actually be real people that are near me, so an improvement for safety and privacy.