― Here is an example of how important communication skills, marketing, and precision are: ∙ PHOTO SOURCE ∙ I had a question about a powder foundation by M.A.C. (YES, this is one of my very few "unnatural" vices!) I just wanted to know, can I wear it alone, does it give full coverage??? What are the basic components of it on the skin? So of course, I turn to my almost always reliable cosmetic information source: YOUTUBE. ∙ So, I chose this first video because her makeup [...].