The IT industry benefits from fashionable UIs (dark or bright, angular or rounded, 2D or 3D, etc.) and architectures (server centric, client centric, etc.) quit

The IT industry benefits from fashionable UIs (dark or bright, angular or rounded, 2D or 3D, etc.) and architectures (server centric, client centric, etc.) quite similarly to the fashion industry benefiting from rising and falling hemlines and wide vs skinny ties. If you live long enough, you see cycles repeat.