I am currently working on a pgp encryped version of latitude. Right now its not even alpha although some of my geekier friends already use it. Its crpto is base

I am currently working on a pgp encryped version of latitude. Right now its not even alpha although some of my geekier friends already use it. Its crpto is based on bouncycastles openpgp implementation. On the server side I use google app engine. The motivation is to have full control who can know where you are on the client.