Authored by Mark Penn via RealClearMarkets,For decades, marketers have been chasing the holy grail of marketing – the perfect ability to get the right ad to the right person at the right time in an effortless fashion. Before AI, this was never really possible. We moved from radio advertising to linear TV to digital, each  time getting closer to the holy grail but missing the mark on truly effective marketing. Now with AI-based advertising, this perfect ability is finally possible. Marketing used to be about ...