Facebook provides a number of ways to help you protect yourself and your account, and today they are announcing new features to help make your experience on Facebook more secure. First, they're launching one-time passwords to make it safer to use public computers in places like hotels, cafes or airports. If you have any concerns about security of the computer you're using while accessing Facebook, they can text you a one-time password to use instead of your regular password. Simply text "otp" to 32665 on your mobile phone, and you'll immediately receive a password that can be used only once and expires in 20 minutes. In order to access this feature, you'll need a mobile phone number in your account. They're rolling this out gradually, and it should be available to everyone in the coming weeks. Second, the ability to sign out of Facebook remotely is now available to everyone. These session controls can be useful if you log into Facebook...