Google is seeing a steady decline on mobile search ad revenue as a result of market fragmentation and rise of mobile apps, according to the latest stats from eMarketer.
Smartphone users are forecast by eMarketer to total 1.75 billion this year, while mobile phone users worldwide will total 4.55 billion this year.
The top advertisers in the U.S. computer and consumer electronics industry are focusing their spending on big-budget ad campaigns for tablets, smartphones and other "smart" devices, according to the latest stats from eMarketer.
New mobile coupon users will be the primary growth driver for the US digital coupon market, according to analysis by eMarketer.
Worldwide advertising spending will increase 2.8 percent annually to $517.1 billion in 2013, buoyed by increasing digital spend, research firm eMarketer reports.
Mobile commerce-enabled transactions across the United States will reach $41.68 billion in 2013, increasing 68.2 percent from 2012 totals of $24.78 billion, research firm eMarketer reports.
Google and Facebook will combine to control close to 70 percent of worldwide mobile ad revenue share in 2013, eMarketer reports.
Mobile advertising spending is on track to increase 95 percent this year, accounting for 20.1 percent of all digital ad spending and 5 percent of total media ad spending, researcher eMarketer reports.
The average U.S. adult will spend 2 hours and 21 minutes per day on non-voice mobile activities in 2013, up close to an hour compared to one year ago and outstripping time spent online on desktop and laptop computers, according to a new report from eMarketer.
American consumers will complete $1.04 billion in mobile-enabled payment transactions in 2013, almost doubling from $54 million a year ago, according to new data from eMarketer. The forecast is nevertheless far below the firm's previous 2013 U.S. mobile payment estimate of $2.12 billion.