The demo for Bad Company is online now to download

Content: Battlefield: Bad Company Demo
Price: Free
Availability: All regions
Size: 1.50 GB
Dash Text: [ESRB: T (Teen) ALCOHOL REFERENCE,STRONG LANGUAGE,VIOLENCE] Battlefield: Bad Company follows a wayward band of ordinary soldiers who decide that sometimes the gratitude of a nation just isn't enough. Featuring a dramatic storyline loaded with a unique attitude, the game delivers the series' trademark sandbox gameplay in a universe where almost everything is destructible. The game also features the all new, objective based multiplayer game mode "Gold Rush".

Source