a big city like been and so with things like. bike sharing car sharing bike sharing . these women are among the three billion people around the world who regularly use the internet but few people realize that when they click on a website they're locking into a global infrastructure that gobbles up massive amounts of energy. data centers are often housed in in conspicuous industrial buildings like this one in frankfurt the interaction company operates twelve data centers here and it's building more. this is also the home of the world's largest internet exchange point called kicks. these rooms full of batteries are used to maintain an uninterrupted supply of power. and operate