Ambient Media started to appear in British media jargon around
1999but now seems to be firmly established as a standard term within the advertising industry(1). It is the name given to a new breed of out-of-home products and services determined by some as Non-Traditional or Alternative Media. Ambient media advertising can be used in conjunction with mainstream traditional media, or used equally effectively as a stand-alone activity. The key to a successful ambient media campaign is to choose the best media format available and combined with effective message.
See more at Wikipedia.org...