India, Dec. 20 -- There are plenty of ways that algorithms are impacting your winter holidays. Maybe you are watching the weather forecast to figure out the best time to make a dash to the mall. Perhaps you got gift recommendations from an online retail site. Then that online store is using a complex logistics system to ensure your packages are shipped to you and arrive before the holiday. Maybe the traditional retailer you visited used machine learning to decide what inventory to stock -- just the right number of Imaginext Fisher-Price Super Friends Transforming Batmobile R/C (or maybe they weren't able to stock enough of these). Perhaps you are using a navigation app on your phone to figure out how to get through the traffic congestion ...