The phrase "to become widespread" means to spread or increase in popularity, prevalence or occurrence over a large area or among many people. Full definition
Such techniques became widespread in the 1960s in the music industry. (en.wikipedia.org)
Even Wi - fi in homes hasn't become a widespread phenomenon. (patchworkoftips.com)
But the reality is that for most schools, a technology has to be consumer grade, which means private use of this technology becomes widespread before it is integrated into the classroom. (educationmattersmag.com.au)