Using body scanners to try on clothing reminds me of the shoe-fitting fluoroscopes that supposedly offered the best possible fit. The Me-Ality machine is definitely nothing more than a MMW scanner, and, from the article, it sounds like retailers can't wait to save the scan data to start doing analytics.

However, there seem to be a few competing devices here. One of the other productions mentioned, Swivel, seems to be a passive device that uses cameras to take a picture of the frame then detect differences that allow you to virtually try on clothing. It's similar to the filters that allow you to choose a custom background image during a video chat. Here is the company's demo video.

I just think they made a bad design choice for their demo booth.