It seems to me that in our current age of technology, with more people connected by more ideas, the rate of synchronicity may be nearing an inflection point of rapid increase. Our technology may be creating a cognitive background noise that will increasingly inspire larger groups of people with the same idea.
What we attribute to kismet (i.e. fate, fortune, and inspiration), may in fact be our own minds responding to the larger shared contextualization created by our technological tools.