Electronic cigarettes are expected to quickly reach the multi-billion-dollar mark in sales. What will it take to win over this fast-growing segment?

Technology will be the key as the various tobacco companies seek ways to differentiate themselves.

At the recent CES Unveiled in New York City, Motley Fool analyst Rex Moore spoke with Cheryl Zukowski of Reynolds American (RAI) about the company's VUSE Digital Vapor Cigarette, and what sets it apart from the competition.