If you’ve ever received a notice of package delivery via Facebook Messenger, or resolved a technical issue with your cell phone via online chat, you’ll know that messaging, chat, and real-time communication are already huge trends in the way that B2C companies communicate with customers, and, in turn, the way that consumers prefer to communicate with brands.  Like so many other trends that first take root in the consumer realm, B2B companies are starting to take note, to the point…