Sometimes organizations go through big changes for a process or a methodology.
One approach is to take it is to the people as a “week of” or “month of” (testing, quality assurance, craftsmanship) dedicate to that change. During that periods of time schedule presentations, open talks, games (quizzes) . Involve as many of your colleagues as possible. One thing is to say different things with the same voice and another a single thing with more voices.
Also teasers before the event help in creating curiosity.
Even the toilets are a good place for posters:
