office to take us around the largest european data center located in northern france. some of the billions of digital data that transits every second over the internet is processed and stored in these threads. and says this is a rack there are hundreds of them all around us they consist of going to shooters and disks it is this is the cloud of. all the memory of companies memories of individuals your photographs your emails it's all located in racks like this somewhere on the planet in the data centers. the cloud of data centers manages our digital lives every day including an increasingly large share of our private lives.