There was also a period in the 2000s where icon graphics were designed with subpixel effects in mind. This was when LCDs displaced CRTs (previously the design t

There was also a period in the 2000s where icon graphics were designed with subpixel effects in mind. This was when LCDs displaced CRTs (previously the design took the blurriness of CRTs into account) up until to when the mobile revolution and high-DPI displays started favoring a more scalable solution (at the cost of less nice icons).