In cases where it's unlikely that anything in the photo should be gray, your best bet is to color correct the highlights and shadows and leave the midtones alone. If there is an area that's supposed to be neutral gray, though, this technique will find it.
An average person spends 14-15 years of their life on the toilet.  (true)   another interesting fact - an average person spends 3 days of their  life sitting at a red liâ¦ght.
Adults in the United States will spend more than five hours each day on nonvoice mobile activities, including Internet use on phones and tablets, and about four-and-a-half hours watching TV, according to the study, which looked at data from a variety of sources including academic publications and audience measurement outlets.