On the Internet, Nobody Knows You're a (N)NS

Given that the ever-expanding internet has emerged as a de facto repository or huge English language database, the popular practice of checking for grammatical correctness on the web is thus gradually altering if not revolutionizing our perceptions of what constitutes correct and normative English usage. One crucial point here is that often it is difficult to tell whether the authors of internet texts are English-L2 or English-L1 users.

- David CS Li, "When does an unconventional form become an innovation?"