As far as I'm aware (from personal experience), "online" has been the common form when talking about computers since at least the 1980s, if not before. But may

As far as I'm aware (from personal experience), "online" has been the common form when talking about computers since at least the 1980s, if not before. But maybe whoever added that particular property to IE4 wasn't familar with common (in computer circles) usage... Here's what google ngram says: https://books.google.com/ngrams/graph?content=online%2Con+line&year_start=1958&year_end=2008&corpus=0&smoothing=3&share=&direct_url=t1%3B%2Conline%3B%2Cc0%3B.t1%3B%2Con%20line%3B%2Cc0 https://books.google.com/ngrams/graph?content=online%2Con+li...