Not so long ago it was believed that humans are the only specie to successfully transmit the knowledge and acquired skills from one generation to another.
If you are afraid of being hacked or someone else using your Facebook account you can enable option that will send you an email or text message in case your account has been accessed from a device that you never used before.
David Guttenfelder a veteran photojournalist became one of the very first foreign photogs to be allowed to take pictures in North Korea and so we get to see the rare insight of this isolated country.
If you have activated the option to store passwords in Mozilla Firefox, than you can easily look at all password you have entered when you were browsing websites.