Another trend is that consumers are spending more time on mobile devices. This, among other things, has hit Google, which is selling more advertisements on smaller screens, where rates are lower, whereas growth in more lucrative ones on bigger devices has slowed. For other firms this shift has been good news: Yahoo, a struggling online conglomerate, joined Apple in exceeding analysts’ expectations in large part because of a notable increase in mobile-advertising sales, which accounted for 17% of its revenue of $1.1 billion in the past quarter.
Read more in The Economist