I tried the Language Identification service (http://ibmlaser.mybluemix.net/liddemo.html http://ibmlaser.mybluemix.net/liddemo.html), put in Vietnamese from wiki

I tried the Language Identification service (http://ibmlaser.mybluemix.net/liddemo.html http://ibmlaser.mybluemix.net/liddemo.html), put in Vietnamese from wikipedia and "en-US" returned. I did sign up. Note that in incognito mode, I have access to that link. I am guessing others do too.