Morgan Stanley, an investment bank, finds that Americans spend 28% of their media time online, yet only 13% of total AD spending is devoted to the Internet.

投行摩根·斯坦利发现，美国人把28%的媒体使用时间花在了互联网上，但该领域对应的广告预算却只有13%。

youdao

Mobile ad revenue is 23% of total ad revenue, up from 14% in the prior quarter.

FORBES: Facebook Mobile Now 23% Of Ad Revenue

SearchIgnite also noted that total ad spending growth slowed down in March, raising concerns about second-quarter ad spending.

FORBES: Google In The Hot Seat

Also the total ad time is significantly more than just five years ago.

FORBES: Super Bowl Ad Spending Hits New Heights