This isn't a ranking factor that changed, it's only a parameter that shows how visible/invisible your submissions are compared to others. For better accuracy make sure you close all other graphs. posted in Database exposure - calculation parameters change
FTR - April 2013 has +70% more uploads than last year and "only" 40% more submissions. Which means we get more and better images (we see higher ARs). Submissions improve and competition increases. posted in April Good or Bad?
Hated but voted. :) posted in