Instant Index: Does Taking Photos Ruin Your Memory? Billboard Announces Top 100 Christmas Songs of the Year Billboard announced the Top 100 Christmas songs of the year today. Near the top were old favorites including Nat King Cole's "Christmas Song (Chestnuts Roasting) " and Brenda Lee's "Rockin" Around the Christmas Tree." 1 on the list went to Mariah Carey's "All I Want for Christmas Is You," the newest song among them. Airline Surprises Passengers With Dream Gifts A Canadian airline asked customers boarding a flight in Toronto what they wanted for Christmas. A few hours later - and with the help of 150 busy elves - passengers arrived at baggage claim in Calgary and found their dream presents on the carousel along with their bags. One man got an Android tablet while a woman burst into tears over a new camera. The biggest winner was a young family that dreamed of a widescreen TV. Does Taking Photos Ruin Your Memory? A new study from Fairfield University says the more photos you put into your camera's memory, the less detail you store in your own. Researchers suggest not relying on your device to hold on to your past.