For example, we were stuck for a year trying to understand the intricate biochemical networks inside our cells, and we said, "" We are deeply in the cloud, "" and we had a playful conversation where my student Shai Shen Orr said, "Let's just draw this on a piece of paper, this network," and instead of saying, "" But we've done that so many times and it doesn't work, "" I said, "" Yes, and let's use a very big piece of paper, "" and then Ron Milo said, "" Let's use a gigantic architect's blueprint kind of paper, and I know where to print it, "" and we printed out the network and looked at it,