In the U.S., over 50% of mobile ads are viewed on a vertically held device. Related Data Leading marketers are 31% more likely than mainstream marketers to have increased investment in technologies that make site experiences faster. Avg number of content pieces needed for technology mobile sites to display Avg number of content pieces needed for business and industrial markets mobile sites to display Avg speed for retail mobile sites to display content Avg speed for classifieds and local mobile sites to display content Avg number of content pieces needed for media and entertainment mobile sites to display