Back in the day, symbols of business-to-business (B2B) selling were charmingly simple. The sales process kicked into gear with a cold call appointment or referral from someone who knew someone who knew an executive. The players got together where they could to brainstorm on well-doodled cocktail napkins over three-martini lunches, or 18th hole handshakes, then exchanged foot high show-and-tell business proposals stuffed with specs,…