I strongly recommend everyone download GPG now before the government forces them to install a backdoor. thank God for the Bill of Rights even if the government regards it as a minor historical triviality and doesn't let it get in the way of their ongoing goal to rule every aspect of our lives.
How many of your friends play this little game? I’ve been banging the encryption drum with respect to email for years to little effect. Nearly all of my friends are technical and none of them want to bother with encryption in the slightest. That makes the use of encryption really stand out. And if the person on the other end won’t play, well...
Unencrypted email has all of the privacy of a postcard. Anybody who has access to any of the many machines that handle the mail can read it with ease.