(CNN) -- On this week's Tech Check podcast, Doug Gross, John Sutter and Stephanie Goldberg discuss some pretty big advances in car technology that could be just a few years away from becoming a reality.
Consumer Reports has endorsed what's called vehicle-to-vehicle communication technology. The tech, which is being tested now, lets automobiles, in effect, talk to each other -- for safety and other reasons. There's also growing talk that cars that drive themselves could be closer than we think.
In other news we talk about a billboard in London that shows you a different ad based on your gender. It uses facial recognition to decide (supposedly with 90 percent accuracy) whether you're a man or woman and respond accordingly. We talk about what this might mean for the future of advertising.