Web browsers collapse whitespace by default which means that sans any trickery or deliberately using nonbreaking spaces, any amount of spaces between words to be reduced into one. Since apparently every single thing in the modern world is displayed via some kind of encapsulated little browser engine nowadays, the majority of double spaces left in the universe that are not already firmly nailed down into print now appear as singles. And thus the convention is almost totally lost.
Web browsers collapse whitespace by default which means that sans any trickery or deliberately using nonbreaking spaces, any amount of spaces between words to be reduced into one. Since apparently every single thing in the modern world is displayed via some kind of encapsulated little browser engine nowadays, the majority of double spaces left in the universe that are not already firmly nailed down into print now appear as singles. And thus the convention is almost totally lost.