I was very confused for a few minutes here, since Sparkle was the original name for Microsoft's visual design tool, now called Expression Blend (https://en.wiki

I was very confused for a few minutes here, since Sparkle was the original name for Microsoft's visual design tool, now called Expression Blend (https://en.wikipedia.org/wiki/Microsoft_Expression_Blend https://en.wikipedia.org/wiki/Microsoft_Expression_Blend ).