Cyborgs at work: employees getting implanted with microchips(sfgate.com)
sfgate.com
Cyborgs at work: employees getting implanted with microchips
http://www.sfgate.com/business/technology/article/Cyborgs-at-work-employees-getting-implanted-with-11046009.php
I view the danger not so much in loss of privacy, which in any case is virtually gone already, but in that NFC chips are easily spoofable. Someone could simply carry an NFC tag in their hand that has alternative information, for example to impersonate another employee.
There are emulated NFC smart chips which are more difficult to duplicate and do provide transactional security, however.