Grenate on Instagram: "Ever wondered how a 30-second design can rattle a corporate giant like Citibank? In a fascinating example of the creative industry, Paula Scher sketched the iconic Citibank umbrella logo in what seemed like a flash. Yet, when she handed back this masterpiece, the fine folks at Citibank were less than thrilled about the hefty £1.5 million price tag. Their initial reaction? How could something so quick be worth so much? But here’s the kicker: Paula's brilliance stemmed from