I am also surprised how fast Internet became essentially english, but finally is an easier option to communicate each other.
Paradoxically, if you go in an english forum and start writing russian, romanian or else, you will get very likely banned.
And as a side note, on essentially American forums, you will be mocked for your english grammar, while those uneducated rednecks are the most often unable to write or even read other languages, as we do.
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At work, every year I have more and more of foreign students. This year I have 2 from Holland, 7 from Asia (China, Japan, Korea), 1 from Cuba, 3 from Russia, 2 from Poland, 1 from Spanish. As most of them don't yet speak french, I must constantly switch from english to italian/spanish, then back to french. At the end of the day, come here and start to use google to learn the russian threads.