Khyati Sundaram says there are subtle signs that an applicant used AI to write their résumé or test answers.amperespy/Getty ImagesKhyati Sundaram, the CEO of Applied, uses similarity detection to identify AI-written applications.Sundaram says small formatting and language choices can strongly indicate that AI was used.She says that sometimes using AI to complete an application isn't a big deal.This as-told-to essay is based on a conversation with Khyati Sundaram, a 39-year-old CEO of Applied based in London.