Yahoo launched image-rich native ads that are designed to be mobile-first. The company also emphasizes they are seamlessly integrated with surrounding content, targeted to the right consumer for even better results.
According to Yahoo "Every day, millions of people visit Yahoo to read the news, search for information, and check the weather, mail, sports scores or stock quotes from their smartphones and tablets. In fact, more than half of our global monthly active users come to Yahoo on a mobile device — and we are committed to delivering outstanding advertising that is designed specifically for mobile and integrated across our new experiences."