Eye-Fi: WiFi SD Cards
I thought the idea was grand when I first heard it. Eye-Fi had created SD cards for digital cameras that had WiFi capabilities. This allowed you to send pictures from your camera over to your computer without having to dig out that annoying USB cable. Additionally it is able to use WPS (WiFi Positioning System) technology to geotag your photos. For $60, I was sold.
Until I looked at their card comparison... I thought 2GB would be plenty for me and that the $50 card would suffice. Then I noticed the Eye-Fi Pro. Oh, so you mean to tell me the Eye-Fi Home only does jpeg photos and not RAW? Are you serious? So now, I'd be forced to upgrade to the Pro version and pay $150. Additionally, the geotagging (which requires WiFi access points to even work, isn't available until you get the Explore Video ($99).
So I was very excited about this initially, but now... well, you can keep your card, and I'll keep my USB cable.