Quantcast
 
 
Registered users get the full experience, including fresh user images and profile data. Log-in, or if you don't have a Twellow account, Get one here, free

HD

  registered
@hdzimmermann
Location: ST. Gallen CH
Website: http://t.co/IDKAPrun21
Followers1,634
Following856
Tweets8,864
 
126
 

Bio

Researcher/ Editor/ Blogger/ Digital Immigrant/ ... and some more / (http://t.co/PWlc9T7gGY)