I didn't know that, thanks! I said that because I use an online printing service, and everytime I send a PDF they demand it is in CMYK. As they look very profe

I didn't know that, thanks! I said that because I use an online printing service, and everytime I send a PDF they demand it is in CMYK. As they look very professional in everything else and the quality of the final product is great, I just assumed it was a best practice. Good to know.