Gloomy tales http://yuvututube.fun/ yuvutu videos That means the company continues to lose ground to rivals such as Facebook, soon-to-go-public Twitter, and Google, which reports third-quarter earnings Thursday. Overall, U.S. digital ad revenues are expected to rise more than13% to $10.5 billion this year, according to eMarketer.Since Mayer joined Yahoo from Google 15 months ago, she has made a flurry of acquisitions, many of them in mobile consumer services, and revamped Yahoo's existing services such as its home page, email, and Flickr photo site.