still ahead, why designer rebecca minkoff designed interactive dressing rooms.next. ♪ >> i'm emily chang, and this is "bloomberg west." mobile is increasingly becoming part of black friday shopping. more people are using their phones and tablets to buy stuff. here is google's industry director of retail sales. >> this will be the biggest mobile-influenced holiday we have seen so far. just to give you a piece of data, when you look at google shopping, we see that the traffic coming from smartphones to google shopping is 3.5 times what it was at the same time last year. >> anderson says the top searches on google shopping this year our toys, tech, and apparel. and shopping in the physical store is going high-tech as well. ebay and designer rebecca minkoff are teaming up to create smart dressing rooms, allowing shoppers to have an interactive dressing experience. how does it work? >> the big goal is to eliminate the pain points from in-store shopping. rebecca minkoff's new smart stores feature things like smart mirrors, so when you go up to them, you can request ne