ZenithOptimedia and Universal McCann
project positive Web advertising revenue growth, according to PaidContent
. Among the data points: Internet ad spending rose 29 percent in 2007 over the year earlier, while in 2008 growth is forecast at 19 percent. Also, online video ad growth is showing growth. AdAge reports
that the research shows Web advertising will overtake radio ad spending in 2008. It will take a double-digit share of global ads in 2009. It will overtake magazine advertising in 2010, according to the predictions.