Being able to identify yourself is important as a traveler. This is why you may want to research a national ID card for a nation that you are new to. If you do not have a way to identify yourself once you are in a foreign nation, you may end up stuck there. A passport is typically able to help you get back in to your home country, as well as let the host country you traveled to know where you come from. However, a national ID card may be more practical than a passport. You may also want to research companies that provide innovative technologies, such as secure mobile features, secure sign on, mobile device security, biometric authentication, fingerprint scanners, and smartphone security software.