iPhones are an example of Punctuated Technological Change (PTC)
Impact of the introduction of iPhone. Those who have iPhones can do many thing that those
who don't have them cannot do. These are briefly listed here to demonstrate the principle that
some people will have access to technology and others will not.
iPhone users can:
1. Solve Rubic's cube puzzles by having the iPhone view the 6 sides of the cube.
2. Play various games.
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Punctuated equilibrium is a theory in evolutionary biology which states that most sexually
reproducing species experience little change for most of their geological history, and that
when phenotypic evolution does occur, it is localized in rare, rapid events of branching
speciation.