Bram, you are a genius, I am sure you can bring about with new technologies a way for people to reach many people with their ideas.
Think megaphone. Please do. http://i.imgur.com/WyUEcju.jpg
Something like being able to broadcast your profile image that could be anything, and would be shown as advertisement. Something huge to use as a megaphone to reach many people at once, without any effrot. That would be awesome. Uncensored megaphone for everyone...