http://qz.com/96054/english-is-no-longer-the-language-of-the-web/
Plenty for LW here-- not just that English is a steadily declining fraction of online material, but the difficulties of finding out what proportion of the web is in what language, and the process by which more and more of the web is in more and more languages.
Translation is costly, but the cost of translating a popular article may be smaller than the total costs of all people who would otherwise have to read it in a foreign language.
As a model, let's say that reading an English article by a person with English as a first language, costs 1 point of energy. Reading the same article by a person with English as a second language, may cost 2 to 10 points, depending on how good that person is in English. Translating the article to another language would be perhaps 100 or 1000 points. Assuming these numbers, once you ...
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.