If you're wondering whether you should use the USD, USDZ and USDA 3D file formats, the answer is: "It depends on what you are using it for." There are pros and cons to consider. 

We know that in today's visual economy, consumers are hungry for AR technology. In fact, 71.5% say that AR is the “future technology they are most eager to use.”  But the truth is, augmented reality (AR) on the web may not be as far into the future as some think.  It's a complex story because the underlying technology for AR on the web is not yet mature.