Ever since Twitter started it has been very US- or English-focused. Even the international users often tweeted in English as the news/tweets are only of value if you understand them. After Twitter started with local language versions last year they have now apparently added a local trends feature, according to outspoken media. This move finally makes Twitter a truely localized tool as mainstream Internet users stay within their “language aura”. All successful international companies have really localized their regional sites, look at Google (obvious) but also Amazon, ebay, Facebook etc.
It is the correct move to regain some of the momentum they lost in the last months, their growth being only small single digit numbers. I’ll tell you, it all comes down to language 😉

Image Credit: outspoken media