What it's really like to have a photographic memory

There's an exceedingly rare superpower that some human's possess called Hsam (highly superior autobiographical memory). The University of California, Irvine's Center for the Neurobiology of Learning and Memory is the only place that verifies Hsam. According to the Center, Hsam is the "superior ability to recall specific details of autobiographical events" and those who have it "tend to spend a large amount of time thinking about their past and have a detailed understanding of the calendar and its patterns." — Read the rest