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Here's an interesting idea from a Chinese company called Netcom (not to be confused with the Norwegian operator): 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 need to position your phone at just the right spot; and lastly, the phone needs a special background app to communicate with the NFC circuitry. The demo we saw used a Java app running on a Chinese dumbphone, and we were told that Android will be next in line to receive similar support. Alas, ...

Yesterday, anonymous sources said that El Goog and Sprint would debut a new NFC payment system on May 26th -- otherwise known as tomorrow. Today, a leak allegedly from The Container Store appears to have spilled the beans on the moniker for Mountain View's mobile money method: Google Wallet. Not the most creative cognomen, but at least it sums up the service succinctly. Still, it's no Ice Cream Sandwich, but we'll find out how it tastes live at tomorrow's event. Update:  Eagle-eyed reader Steve pointed out that looking up the  WHOIS info  for googlewallet.com does indeed lead you to Mountain View, though this was created way back in 2005. You may recall that Google Checkout was initially known as Google Wallet, as reminded by  InformationWeek , but we just noticed that the URL is now plain dead instead of taking us to a Google error page, as it did minutes ago. Very intriguing. This is my next

Well, it's certainly been a busy week in the city! First Kobo, then Mango, then Nook, and now... Google Wallet? Yes, it looks like Big Search is coming to contactless payments, finally giving Nexus S users something good to do with that NFC chip. The event happens at noon EST, and we'll be bringing it to you live.   if you'd like to join in the fun, and if you happen to be tuning in from a land far, far away, check out the local times below: 06:00  - Hawaii 09:00  - Pacific 10:00  - Mountain 11:00  - Central 12:00  - Eastern 17:00  - London 18:00  - Paris 20:00  - Moscow 00:00  - Perth 00:00  - Shenzhen 01:00  - Tokyo (May 27th) 02:00  - Sydney (May 27th)

There's been rumors of a Google-fied mobile payment system for some time, and now it looks like the Mountain View crew is teaming up with Sprint to finally make it happen. Last month, we heard that the Now Network would bring NFC payments to its customers this year, and  Bloomberg  reports that the partnership and payment system will make its debut on May 26th. Apparently, New York, San Francisco, Los Angeles, Chicago, and Washington D.C. are the first cities getting the service, which is a much broader initial footprint than its Isis mobile payment competition. The anonymous sources also say that Verifone and Vivotech are providing the hardware and software that will let you replace your credit card with a Nexus S -- because you  always  wanted to replace your credit card with your Nexus S. Update:  According to  All things D , the payment system will be put through its paces by none other than El Goog's Exec...

It looks like Square's little headphone jack-connected credit card reader has some company. The mobile payment startup introduced two new additions to its unique stable of payment options in San Francisco this morning that do away with credit cards, paper receipts, and even the bantam reader itself (to some degree). First up is the Square Register, an app that allows merchants to accept payments by way of the card reader or through a card-less (no, it's not NFC) tab -- like, "put it on my tab" -- system, and uses Google-style analytics to keep track of payments, receipts, and trends. The second announcement, the Square Card Case, is a virtual wallet that holds a series of "cards," each relating to a participating outlet, that let you put your purchases on the aforementioned tab. Each shop has its own virtual credit card, and enables shoppers to make and track purchases with a single click of a button. We got a chance to give the setup a try, and it's ju...

When AT&T, T-Mobile and Verizon came together to create the Isis mobile payment system, they touted a standalone service, powered by Discover's payment network, that would revolutionize the way we make small purchases on the move. Well, the revolution is still on schedule, apparently, but the big trio is now being said to have made a concession in reaching out to the incumbent leaders in this field, Visa and MasterCard. The  Wall Street Journal  cites multiple sources in reporting that Isis has turned into a less ambitious "mobile wallet" project that would seek to let you use your Visa or MasterCard account via your NFC-capable smartphone. As far as the consumer is concerned, it's still the same swipe-to-buy proposition, but the move was apparently necessary for Isis "to avoid falling further behind" in the race to corner this developing market. We'd say it's encouraging to see these guys showing a bit of swiftness -- it's about time the re...

A Twitter-enabled kitty door it is not, but this RFID-equipped soda machine is by far one of the most practical DIY projects we've seen in sometime. A Canadian tinkerer picked up this pop pusher a few years back, and has been using it to sling drinks in his building ever since. Unfortunately, finding the right change to feed the machine proved an issue for his neighbors, so he did what any logical hacker would do, and built in a contactless payment system. Using an Arduino, an Ethernet shield, an LCD screen, and an RFID reader, he created a system that allows customers to swipe a card and easily add funds from an online account. Best of all, every time you press that little blue button you get a Mario Bros. sample. Big ups, PopCARD. Video after the break.    Hack a Day AvBrand