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It's a potentially strong start to one of the few truly cross-network mobile payment systems in the US, but we see a long road ahead before Isis gives Google Wallet some jitters -- there's legions of banks, cities and stores needed before Isis is widespread, and we're not counting on that ever-elusive universal hardware support.
ENGADGET: Isis' NFC payments go live in Austin and Salt Lake City: 3 carriers, 9 phones, 1 long way to go (video)
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You can also add software control to the board, which will work in conjunction with the hardware, bringing universal control interfaces to the otherwise space-limited Arduino.
ENGADGET: Droplet and StackAR bring physical interface to virtual experiences, communicate through light (hands-on)
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Power-Over-Ethernet could end up being a universal power supply for much computer hardware as the cables and connectors for it are the same all over the world.
BBC: NEWS | Technology | Net-powered computer goes on show
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Each team put its own spin on the numbers, with HD DVD-backing Universal pointing out that despite a 5:1 advantage in hardware due to the PS3, disc sales are still nearly even, while Blu-ray supporter 20th Century Fox sees the format war as being in its "final phase, " and fence-straddling Warner merely noting that both formats are "selling well".
ENGADGET: Blu-ray surpasses HD DVD in disc sales for the first time HD