The Kruskal count shows how seemingly unconnected or unrelated chains of events can lock together after a while. Such counterintuitive processes underlie many amazing coincidences and startling predictions. They're what the magician has up his sleeve.

One type of cloud computing tends to defy traditional categorization and that’s harnessing human workers in the cloud, as a service. This is best exemplified by Amazon’s intriguing offering, Mechanical Turk, which plugs thousands of people into its on-demand cloud. This model includes any service which provides a consistent, service-oriented interface over a network to interact with people in a directed, collaborative manner. This is an on-demand form of outsourcing as well a cloud-based form of crowdsourcing.