Which linguistic concept has most significantly influenced the design of predictive text systems in modern smartphones and language applications?

Product design in language applications and tools relies heavily on linguistic principles to create intuitive user experiences. From speech recognition systems to language learning apps, understanding how humans process and interact with language is crucial for successful product development. This poll tests your knowledge about the intersection of linguistics and product design in modern language technologies.

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N-gram probability models (statistical sequences of words that commonly appear together)
Chomskyan transformational grammar (focusing on the deep and surface structure of sentences)
Phonological feature analysis (studying the distinctive sound units in language)
Lexical field theory (organizing vocabulary into semantic domains)