FBI, keep out! How to encrypt everything

The FBI’s inability to crack a terrorist’s iPhone 5c shows the strong protection you can get for your private information on a mobile device. That same encryption is also available on your computer, at least in some cases.
Given the increasing access to personal and corporate data sought by the U.S. government, as well as by other politicians, unscrupulous businesses, and criminal hackers, people should up their game on what they protect. Fortunately, it's not hard to do. (But be su