fun stuff to do with gpg
- send encrypted mails via gmail, yahoo or anything similar, keeps NSA servers busy
- encrypted files on dropbox. see above
for vim users: https://github.com/jamessan/vim-gnupg
- share massively long passwords with friends (you can encrypt something for multiple recipients)
make a graph using https://gist.github.com/TomK32/7301565, my keyring looks like this: