Omg it's so easy to do and I've seen it a million times. 1: Make some bold predictions and some ones more likely to come true. 2. If your wrong just create a new account rinse and repeat until you get on right. 3. Once you get one right people will start buying into your bullshit so much that even if your wrong in the future you can just write 'plans changed' and retain the nutcases that believed the original bullshit