Explore a lecture on language contact and change, covering topics such as dialects, nonnative writing, cognates, borrowing, and computational models. Delve into bilingual embedding and lexicon induction, including models of cognates. Learn about the reasons behind language evolution, politeness, misunderstandings, and lexical changes. Examine loanwords, crosslingual lexical similarities, stratified lexicon structure, and peripheral vocabulary. Investigate transliteration, cognate and loan word identification, lexical borrowing, and unsupervised lexicon induction techniques. Gain insights into assimilated vocabulary and the impact of life experiences and education on language development.