'Silicon Allee': Berlin's vibrant tech sector

This week, Tech 24 visits Berlin on the occasion of the huge IFA tech fair that takes place every year in early September. As well as getting a flavour of what innovations are on display this year, we take a look at the counter-culture hactivist scene at the heart of Berlin's tech ecosystem as well as checking out "Factory", a start-up incubator located along the former division line between East and West Berlin.