Out-of-home advertising (also referred to as OOH) is essentially any type of advertising that reaches the consumer while he or she is outside the home (or office). This is in contrast to broadcast, print, or internet advertising, which may be delivered to viewers out-of-home (e.g. via Train, Bus, Railway station or Airport), but are more-often viewed in the home or office.

Out-of-home advertising, therefore, is focused on marketing to consumers when they are 'on the go' in public places in-transit, waiting                                                                                                                      More...