Well, the main implication I would think is that we will want media to be digitally signed by human individuals that have a reputation So a person will "vouch"

Well, the main implication I would think is that we will want media to be digitally signed by human individuals that have a reputation So a person will "vouch" for content, and we consume the media vouched for by people in our white list We won't be able to consume media outside of the whitelist, because it will just contain too much noise