The last is easy. The first two are not.
Crystal balls are notoriously flawed.
And, too often, what we say will happen in the future is merely what we wish will happen. Marshall McLuhan, the Canadian thinker about communications, has said that people can't know the present, can't really be aware of the environment in which we are currently living. The moment we become aware of our environment, he says, it no longer is our environment. It has at the moment become the past. If we are to spend our money wisely to reach the people we want to reach.