"only 27% of internet users are English-speaking." This metric has probably less meaning than it seems . How many of them are multi-lingual. What level of Engl

"only 27% of internet users are English-speaking." This metric has probably less meaning than it seems . How many of them are multi-lingual. What level of English-proficiency makes somebody English-speaking? What percentage of purchasing power is within users with English skills? What is the trend of English skills in young internet users?