whereby you take pictures of what you eat over time and when you go back you look at that food and say well I ate those scrambled eggs this morning and my glucose values didn't go up maybe scrambled eggs for breakfast there's a good thing for me and then you take a picture of pancakes and the next time you sit down to eat if you take a picture of those pancakes you get reminded you know you had pancakes a month ago and that may not have been the outcome