Many people go into open source software without careful consideration of what that means. This presentations tells it like it is from the point of view of a developer. Great visuals.
Popular CMS software like Wordpress and Drupal opens the way to a new figure of "advanced admin", who can wield a lot of control on her website while not doing any actual coding. This enables public sector officials to become very good at having constructive conversation wt their developers, and consequently at procuring websites.
"I have a brain cancer. Yesterday I went to get my digital medical records: I have to show them to many doctors. Sadly they were in a closed, proprietary format and, thus, I could not open them using my computer, or send them in this format to all the people who could have saved my life. I cracked them. I opened them and converted the contents into open formats, so that I could share them with everyone. Just today I have been able to share the data about my health condition (about my brain cancer) with 3 doctors. 2 of them already replied."