It seems amazing how popular mobile devices have become these days. Laptops, smartphones, and tablets are the most common. Near$-$field communication can turn your credit card or passport into a mobile device.

What do you think are the best methods for securing your mobile devices? Which do you think has the most impact on protecting your privacy and personal identifiable information $($PIM$)?$ Do you use your smartphone$$s near$-$field communication $($NFC$)$ for making purchases? How do you think that compares with using a credit card in terms of security and convenience? What is your opinion of your smartphone$$s features for a lost device? Have you ever used them if you lost your smartphone?