NFC Tag and QR Code

When I explained NFC tag to a friend, he replied, “I got it! It’s like QR code.” Spot-on. The concept is similar to QR code. QR code is popular enough for people to capture the concept. For those who aren’t sure what a QR code is, here is an example:Wikipedia_mobile_en

QR (Quick Response) code was created by a Toyota subsidiary in 1994 to track vehicles during manufacture. It became widely utilized worldwide in the last few years with the popularization of smart phones, which can be used as QR code scanners. For example: Front Flip is a mobile app that can be downloaded to an iPhone or Android phone to scan QR codes. Some restaurants place their QR code by the entrance of their stores. When customers scan it with Front Flip in their phones, they unlock a digital scratch-off card that provides a chance to win a discounted meal. This helps retaining customers. More than 30 such mobile loyalty apps have emerged in recent months [1].

The main difference between a QR code and an NFC tag is that NFC tags can be read by smart phones without an app. Today, most newly released smart phones are NFC enabled; they have an NFC chip inside the phone that communicates with NFC tags.

For example: Starbucks can embed an NFC tag in a poster promoting a new drink. When a customer taps his/her NFC phone to the tag, he/she gets a coupon for a discount. The customer can pass that coupon just by tapping his/her phone with a friend’s NFC phone. These are how NFC functions in open mode.

Cost-wise, the NFC tag is still much more expensive (around a dollar more) than QR code (which only costs pennies). The cost for NFC tags will drop as it becomes more widely adopted over time. Phone manufactures, telecoms, and service providers should educate their consumers about NFC devices in order to speed up the adoption rate.

ABI Research reported 102 million NFC handsets were shipped in 2012; 285M will ship in 2013 and 500M in 2014. NFC tablets and laptops have already been released. Sometimes, I wonder why telecoms can’t figure out how to promote NFC capability to their consumers when it’s so easy to demonstrate the advantage of using it and so many devices are available with the capability.


NFC Tags Can Boost Your Product Sale

I found an NFC App Development book, “NFC Application Development for Android” and decided to use the book as a guide to develop my NFC app. Since I didn’t have the Android programing environment on my new NFC enabled tablet, I downloaded and installed software. While I was waiting for the process to complete, I wished that the book had provided an NFC tag to help me set up a development environment. That would save me time.

What is an NFC tag? Readers of this blog might wonder. Here is a short introduction. An NFC tag may look like a sticker; it contains an antenna and a limited amount of memory. When an NFC device touches a tag, the tag takes a small amount of power from it and activates its electronics to transfer data to the NFC device. There are different types of tags and different tags have different memory capacities. Usually the information is stored in a specific data format (NDEF-NFC data exchange format) in the tag.

NFC tags cost about a dollar. As the price drops, we shall see significant usage increase since most of the smart phones are NFC enabled. NFC tags can be embedded almost anything including posters, wearable devices, clothing, etc. For example, as a prototype effort, Adidas added NFC tags to boost their running shoes sale. Shoppers could find details product information by tapping their NFC enabled phones to an NFC tag embedded in “lace jewel”. The jewel receives live social networking feeds from a combination of platforms including Facebook, Twitter and Instagram so that it also can provide product reviews to the shoppers. It’s a powerful experience. I believe similar user experience will be integrated to our everyday life soon.