Thus, each aspect of Zara's business contributes to the fast turnaround. Sales managers at "the Cube" what employees call their futuristic-looking headquarters sit at along row of computers and scrutniza sales at every store. They see the hits and the misses almost instantaneously. They ask the in-house designers, who work in reams, sketching out new styles and deciding which fabrics will provide the best combination of style and price, for new designs.