Salesforce earlier this year introduced its Einstein Vision capability, an idea with a lot of promise but not a great deal of precedent. Who had applications that could see, and how would this be used? For decades, we've been content with scanning documents and analyzing them with optical character recognition tools, or we've used bar codes and QR codes -- but it all came down to recognizing simple symbols. Suddenly there was something much closer to human reading that needed explaining -- visual search.