In addition to mobile, the fastest-growing online advertising categories in 2011 will be social media and online video, all of which are believed to be gaining share of wallet within online marketing budgets.
Classic display appears to be the most vulnerable to this shift. In fact, half of the respondents think display is losing share, and only 20 percent consider it is gaining share.
“It finally feels like the tipping point for mobile is here,” Deutsche Bank says in its report. “According to our media buyers, mobile will represent roughly five percent to seven percent of online budgets in 2011. That would imply spending of about $1 billion to $1.5 billion in the U.S. market, assuming total online spending of $28 billion.