Driven by the growing popularity of out-of-home lifestyles as well as technology advancements leading to innovations in signage, the world market for outdoor advertising is projected to reach $30.4 billon by 2010, according to a recent report. Outdoor advertising expenditures in the two other fast-growing European markets, Hungary and Norway, together are expected to rise by $119.9 million from 2007 to 2010.