My experience might be dated, but I remember having a Windows desktop around 2000 where each and every application tried to introduce "skins" to look distinctiv

My experience might be dated, but I remember having a Windows desktop around 2000 where each and every application tried to introduce "skins" to look distinctively not like a desktop application. Remember WinAMP? There were tons of applications like that then. Damn, even the same InstallShield installers looked different by application!