This is a guest post by Antonia Harler, an Austrian and soon-to-be graduate who wrote her diploma thesis about Twitter as a tool for Relationship Marketing. She’s awesomely quirky as well as open-minded and she’s also kind of a big deal . For more information check out her blog Social Glitz or follow her on Twitter @antwizzel. When Danny asked me to write this guest post about how social Austria is, my reaction was “hell yes”. One of the reasons…