YouTube’s ad sales from mobile devices have tripled in the last six months, adding as much as an estimated $350 million in revenue to the Google-owned video hub, according to a
Bloomberg report. Nearly a quarter of YouTube’s 1 billion users worldwide
access the service through handheld devices, driving up mobile ad spending, per Lucas Watson, vice president of sales at YouTube. eMarketer projects U.S. mobile video ad revenue will grow 10-fold from
last year to $2.69 billion by 2017.