Right, Soli is built for NUI. However, it does seem like it might fit this use case as well: Distance - I'd imagine that the distance from the top of a door f

Right, Soli is built for NUI. However, it does seem like it might fit this use case as well: Distance - I'd imagine that the distance from the top of a door frame to the top of the head of the average shopper is roughly equivalent to the distance from the Soli device to someone's hands. Software - The Soli hardware streams radar contacts to software trained to separate and classify them, not too unlike the approach that Density is already using. Benefits over a CV approach might come in power usage and lower complexity in the contact classification software.