for now, danny o'brien, thank you for joining us. coming up, remember the yellow pages?nies like google and yelp that made the telephone book something of a relic . the yellow pages are still around. ♪ >> welcome back to "bloomberg west." the iconic yellow pages that has been operating for over 100 years has on through its own digital transformation. it's now known as yp, it has 70 million monthly users of the popular mobile app. how is yp staying relevant among intense competition from other search engines? joining me to discuss this is aaron clark. every time the book ends up on my doorstep, seriously they still make this? >> people still use the book. we keep track of where the book is getting used and how it's getting used and you would be surprised that lots of places in the country it is very popular and especially that's what they're used to. >> the digital site, yp, is a complement to and you have been actively recruiting local businesses to get online and get listed. tell me about that process. >> on the digital side, we're about getting businesses online make s