You can now use your Foursquare account to avoid instead of find certain people. Avoidr connects to your Foursquare account and you can then select people to avoid! You can even assign insults to those people, how social is that?
Here’s Boris, he’s in my network and I might want to avoid him because, well,
Now I’m not someone who has any enemies, and if I do I’m not in touch with them in real life or through social media but hey, it’s a fun little web app and might be very usefull to some!