an interesting read......, page-3

What about (4x300m2 made by LUMACOM)
Now, who is GIANT and who is MIDGET?
2003
Competition
We must not forget that competition is fierce even in this fairly new technological sphere. New solutions and ideas appear almost daily. Sizes are getting bigger. The Japanese industrial giants started their attack on the world market. Here is statistics about large electronic screens (over 100 square meters!) manufactured in Japan and already installed throughout the world: Sony – 10 (including a huge 196 sq.m. screen in Germany), Matsushita Electric Industrial – 4, Mitsubishi Electric – 2.
US businesses are always very sensitive to new trends: so, screen sizes started to grow in the US, too. The official site of the American Association of Outdoor Advertisers ventures the opinion that "size is all-important for outdoor advertising efficiency".

Large size is absolutely indispensable for the effective influence on consumers. The bigger the screen, the longer the eye contact with it, the higher the advertising effect, the more information is subconsciously absorbed by potential viewers