Windows Central published a review on the Fast Photo Sifter
A quote from the article:
Sorting through photos doesn't have to be a pain. One of the beauties of digital photography is that you can take hundreds or even thousands of photographs that can be stored on a single memory card. This helps you make sure that you get the right shot and also lets you save images in multiple formats such as RAW and JPEG.Fast Photo Sifter Review
The downside of digital photography is that you can end up with a plethora of near duplicates and unused images that you need to sort through. Fast Photo Sifter simplifies this process and makes it easy to delete your unwanted photos.