How do you change people's behavior? Promoting the use of video as a tool for knowledge sharing, I ponder this question often. Now there is no one way to do it. But I have a tip for you:

Use the such key moments of your organization to promote new tools. It doesn't have to be video only. Bertha Camacho from Skat and Babette Pfander, who moderated the recent Swiss Red Cross workshop, introduced the app sli.do to interact with the audience through their smartphones.