. >> mcwilliams is one of 23 wl dogs at colossalmedia, the largest hand painted outdoor advertising company in the world. it's a pretty cool office. >> it's not bad, right? >> in a digital age, these modern-day michelangelos receive upwards of 4,000 requests a year. paul lindall started the company in 2004. >> on average our paintings take about four days to complete. if you add in the preproduction time, it probably is worth another 40 hours of work. right now we're clocking about 450 murals a year. >> it would seem as if this is a product that's taken off in terms of popularity, why is that? >> i think when technology came in and hand painted ads were replaced with vinyl and banners, a lot was lost. when you're out there, you're painting, you're causing people to be curious. advertising at the end of the day is all about eyeballs. but the value goes forever. paintings have soul, honesty, they tell the story. >> but it ain't cheap. >> it's not cheap. we're sort of like the exotic car category. when you come to colossal, you want something a little bit nicer than the everyday car. you want