There are exceptional people out there who are capable of starting epidemics. All you have to do is find them.
The answer is that the success of any kind of social epidemic is heavily dependent on the involvement of people with a particular and rare set of social gifts.
There is a simple way to package information that, under the right circumstances, can make it irresistible. All you have to do is find it.
Look at the world around you. It may seem like an immovable, implacable place. It is not. With the slightest push - in just the right place - it can be tipped.