Due to advances in technology, another variant of variable pricing, called 'real time pricing', has arisen.
The source code to the original nVIR has been made widely available, and so numerous variants have arisen.
Textual variants arise when a copyist makes deliberate or inadvertent alterations to a text being reproduced.
Thus variants could arise during incubation, giving rise to new strains.
In addition to the machines built in the 1970s, a few other variants have arisen subsequently, by rebuilding of existing machines.
Many different variants on the talud-tablero style arose throughout Mesoamerica, developing and manifesting itself differently among the various cultures.
These variants arose out of the desire to play chess with more than just one other person.
With the return of Halley's Comet new human variants called "changelings" arose.
Textual variants in books of the New Testament arise when a copyist makes deliberate or inadvertent alterations to a text being reproduced.
