&gt; <i>Branding. Google likes to show off advanced products that aren&#x27;t fully developed in order to elevate their brand and recruit engineers (even though most do not work on such products). Project Soli is the best example of this: the product video shows off a small radar and some range-doppler video, but it does not show complicated gesture recognition capabilities, which is the hardest part.</i><p>Project Soli doesn&#x27;t seem remotely analogous. One project is an open source library that is being run as an open source library and works today, but (so far) holds back a killer feature. The other is a product concept video.