12% of ad money to be spent online in the US in 2010

eMarketer projects that US online advertising will more than double as a percentage of total media, rising from only a 6% share of total media in 2006, to slightly more than a 12% share in 2010. In roughly the same period, online spending will nearly triple, rising from $16.9 bln in 2006 to $42 bln in 2011.