What are /r/HighRes' favorite Products & Services?

From 3.5 billion Reddit comments

Here's the source image, by Alexandre Cabanel; what you gave is cropped, and recoluored to look vintage, terrible idea in my opinion. If you want further upscaling, head to Waifu2X, select artwork, and I suggest either keeping the denoising to low or off to keep the integrity of the artwork.

Cheers