caption: This photo shows Levi's jeans hanging on a wall at Levi's innovation lab in San Francisco. The process of making and selling an item of clothing is speeding up, as shoppers want products faster and faster in the age of Amazon. Companies like Tommy Hilfiger and Levi Strauss are digitizing different steps, like creating digital showrooms for buyers who place orders based on computerized rendering of a garment or producing 3D samples that are emailed to factories, instead of waiting for a physical prototypeDigital Fashion, San Francisco, USA - 09 Feb 2018