If you click the AgriSC link, on their home page it says "Our friends at Agronomy Rx in northwest Iowa shared a YouTube video showing a first-time Agri-SC® user seeing the change in soil texture from Agri-SC® application: Agronomy Rx - Agri SC Promo Video"

I didnt think it was possible to change "soil texture" 

Here is what Google says about Soil Texture 

Soil texture refers to the relative proportions of sand, silt, and clay in a soil. These three components play a crucial role in determining the overall texture of the soil