If you have a camera that takes SD-HC cards and have a smartphone and/or tablet, you can now preview your photographs instantly over wifi using these cards! I’ve just ordered mine as Amazon UK have these on at less than half price at the moment!
If you are an Amazon US user here’s your link: http://amzn.to/XzcSIX
The app is free.
[Note: This is an associates link so I get a commission on your purchase!]
Here’s a short video of how you connect it up: http://youtu.be/iOSj4hxYBNM