If you use GMail and you have a reason to encrypt your email or just prefer it there is a new tool that makes this convenient and it’s called SecureGMail.
Past methods of using encryption required a heavy IT focus and a fair amount of technological twiddling. But this method is dead simple and that will make it more accessible to the common folks.
The media has lots of stories of Chinese corporate hackers and NSA data gathering. Every person has their own level of comfort and drives them to action for security. If you have been thinking about this then take a look.