Sony is the electronic company who made the Playstation, PSP and other devices such as speakers and mobile phones. Their company was once more popular than other electronic companies such as Nintendo however their recent actions of Sony have caused themselves to make losses and now depend almost completely on the Playstation to help make any profit. (See This for more info about Sony's losses) Nintendo on the other hand, having once being less popular than Sony, created the Nintendo Wii and the NDS which has made Nintendo perhaps the most popular electronic console making company.
I never used a DS before. So I don't know much about it, can you create the page for that?
:: When I get time… And when linking dont link to DS but rather NDS, its is more accurate…