Here's an interesting idea from a Chinese company called Netcom: adding NFC capability to existing phones via microSD. That's right, rather than relying on external add-ons that occupy ports, Netcom decided to fit NFC chips plus their antennas onto ordinary microSD cards, yet still managing to cram in up to 8GB of NAND memory at the same time. This sure sounds convenient, but there are some caveats: the first rule is that neither the back cover nor the microSD card holder should be made out of metal; then secondly, we noticed that due to the tiny antenna coil, scanning could become tricky if the reader has a small sensing area -- you'd n
