What's the biggest barrier facing Facebook and other businesses investing in the virtual reality space? It's all about "trial," says Ronjan Sikdar, Vice President of Media Analytics at Nielsen.

Do you still believe that mobile is the future of media and marketing? Well, "Then you're probably really far behind, right now," says James Meeks, Mobile Product Director at JCPenney.

New artificial/voice intelligence devices from Amazon and Google are just at the beginning of disrupting consumer purchasing. But will it also affect jobs among retailers? “There’ll be shifting of resources; new jobs created that are going to be about the experience,” says Greg Hedges, director of strategy for RAIN, in speaking at MediaPost’s Marketing AI event. “Maybe in a retail store you'll need to ask a digital assistant where the TVs are,” he says. “Maybe the Geek Squad can tell you how to use it, or which one is better for you.” Hedges says, for example, if …

Marketers who thinks they can ignore the AI revolution -- or even wait until its adoption becomes more standardized -- are signing their own death warrants. That was the message Sarah Fay, Managing Director at Glasswing Ventures, delivered to attendees of MediaPost's Marketing AI conference, on Wednesday.