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.
U.S. adults now spend an average of two hours and 21 minutes per day using their mobile devices for activities other than phone calls, up 46 minutes from last year. Time spent on smartphones, tablets and feature phones now also exceeds time spent on PCs, which clocked in at two hours and 19 minutes. The figure for PC use may seem low to any office worker who spends most days in front a computer screen, but eMarketer is taking all U.S. adults into account, some 20% of which still don't use the internet, according to Clark Fredrickson, VP-communications at the research firm.