What are your favorite conspiracy theories?

It really is so hard to say. I have no favorite conspiracy theories. I consider them all theories no matter how close to the truth they may be. I've seen more than a hundred of them really, and I mean those with the real hard facts and evidences anyone has to offer. But as always none of those had made a dent on the people or organizations or sects they are trying to bash. They have always been just shrugged off as simple conspiracy theories and nothing more. It's a vicious concept I'd like to think. If truly everything was controlled by one mega source. It's our word against theirs. Not an easy task. You have the whole world to awaken to achieve you fight against these so called conspiracy. I don't mean that I don't believe any of them. I just digest whatever they throw at us and keep it to myself. Weighing everything until the time comes to let it all out in the open. It doesn't matter how and when. But the funny thing is, what if the conspirators themselves have let loose some wild stories of conspiracies theories that contradict just to make it harder for the real truth to come out. I know what the power of the media can achieve. cheers!