12/16/2012 12:15 pm ET Updated Feb 15, 2013

This Is Your Life, As Recalled By An App

The holiday season of 2011 was a hive of activity for me. One week in early December, I managed to attend a party at the Bowery Ballroom, a movie premiere and a Justin Bieber-themed dinner event. A few days later, in a single afternoon, I saw the movie "Young Adult," bought animal-shaped glassware as Christmas gifts and shared dishes of handmade pasta with a few friends from college. And three nights after that, I attended a concert at a local music venue with a friend from Australia, then woke up the next morning and hopped on an Amtrak train to Virginia for Christmas.

I know all of this not because my memory is superhuman, or because I keep a detailed journal. My gift of meticulous recollection comes courtesy of several apps I've signed up for, including Timehop and They tap into my social media history and send daily reminders of my past postings, from pictures uploaded to Instagram, the photo-sharing application, to messages on Facebook and Twitter.

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