The gadget: The Eye-Fi. It's an SD memory card that adds Wi-Fi to any camera. Plus the free Eye-Fi service supports automatic uploads to 20 different web photo sites (like Flickr) as well as a computer on your home network.
The verdict: It works flawlessly.
The performance: Like we said, the Eye-Fi works flawlessly. Setup takes roughly five minutes (you program the card through your computer and bundled card reader). From there, you simply snap pics in the range of your router, and chances are, by the time you go back to your computer, the pictures will be viewable. If your router dies, you turn off your camera, or even if you take out the card and put it back in, the photos will upload when you get things sorted out again. It's actually a normal 2GB memory card underneath all of the other functionality and can work as such.
The catch: We figured it must drain more battery—but apparently in-camera SD power standards dictate that this extra consumed power needs to be minimal, to the level of not being noticeable to the end user. Unfortunately, the product doesn't support hotspots.
The price: $100
The verdict Part II: Sure, the Eye-Fi is basically a cradle replacement. But snapping photos and automatically uploading them in real time to share is truly fantastic, especially when the images can be better than one's camera phone. And the entire product experience is built with simplicity. If you can get over the price and are sick of cords, we strongly recommend the purchase. Available now.
http://gizmodo.com/gadgets/review/eye+fi-adds-wi+fi-to-almost-any-digital-camera-316537.php
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