Diff of NFC

• The added line is THIS COLOR.
• The deleted line is THIS COLOR.
• Go to NFC.

TITLE:NFC (Near Field Communication) 近傍無線通信

- NFC standards
--   http://www.slideshare.net/hkinami/nfc-standards


- Chapter 4. Introducing NDEF
--   https://www.oreilly.com/library/view/beginning-nfc/9781449324094/ch04.html