it's no surprise that car sharing is popular, especially in big cities and especially among millennials. now gm is expanding its presence in the market. joining us now is julia stein, the head of maven, gm's car sharing program. >> good to be here, becky. >> the whole idea of a car sharing program is something we've heard of for a while. companies like zipp car. how do you get this to market and does it matter that you're not the first one there? >> automatic is going through a tremendous change and the biggest chan with what we see at gm is that consumers want to consume transportation as a service and that's the biggest shift that our company has to make. so maven is in the forefront of that shift and really transforming the company from the traditional design build sell model into service. >> you're not just selling stuffing. you're selling a service. >> ex very different set of skills that is required. we're building on the core competency that gm has maven is the mobility program that we just launched. >> it's an app on your phone. how does it work? >> maven is an app and we interact with