Answer: Posters promoting good security behavior and designated mailing list.
Explanation:
One of the ways to create awareness in people's mind is by posting images, writings on walls and boards for their veiwing, when this is done over a period of time, they get conformed in their minds to adjust to what they've been seeing, another way is by designated emails, especially coming from the organization, through this emails, they can give their suggestions and complains also on what they feel or want to be done in the organization.