Know How Facebook decides which memories to show you in one of its most 'sensitive' features

With the increasing pressure and competion from othe Social media platforms, basically from Twitter, Viber, Whatsap, developers are on a daily basis making changes to their applications and websites so that they make them more attractive and user friends.

Among these changes is the Memories lane brought up by facebook. This shows memories from your timeline, posts, taglines, life events among others. 

Facebook launched this filtering feature in October 2015:
 You've probably noticed Facebook's On This Day feature popping an old status update about a "new" job from years ago back onto your feed, casting you back to that Caribbean vacation you took in 2010, or reminding you how long you've been friends with so-and-so.
Or, maybe it has surfaced a painful, pre-breakup photo of you and your ex.


Facebook launched its nostalgia product exactly a year ago today as a way to encourage you to dive back into the digital archive of your life — all the posts, events, photo albums, and friendships that the social network stores.

Now, an average of 60 million different people visit their On This Day page each day and 155 million have opted to receive the dedicated notification for the feature. If you're in that latter group, you will be prompted to check out an unfiltered spread of all your historic Facebook activity for any given day.

If you're not one of those nostalgia-addicts who gleefully (or warily) signed up for the notification, you might be surprised at the level of attention Facebook pays to trying to predict which old posts you'll most want to see it serve onto your feed.

"We need to be mindful that we’re not just stewarding data,"Artie Konrad, a Facebook user experience researcher who works with On This Day, explains to Business Insider. "We’re stewarding personal memories that tell the stories of people’s lives."
How Facebook sifts through your memories

Although Facebook does user research for all its features, On This Day got even more attention than usual.

"It's one of our most personal products," says Anna Howell, a UX research manager, noting that because of the complexities of memory, Facebook needed to be "extremely caring and sensitive" when approaching the product.

Konrad, who focused on "technology mediated reflection" — how people use tech to reminisce on their past — while completing his PhD, explained how Facebook conducted the research that shaped the On This Day product:

On_This_DayFacebookThis post showed up for me today

First, the company surveyed thousands of Facebook users about what they thought Facebook's role should be in mediating their memories. Their consensus: "Facebook should provide occasional reminders of fun, interesting, and important life moments that one might not take the time to revisit."

To help figure out how to do that best, Facebook then brought nearly 100 people from all different backgrounds into its research lab and asked them to classify memories Facebook showed them into different themes like "vacation" or "achievements," and then rank those themes based on how much they enjoyed seeing them. The company also did a linguistic analysis on anonymized memory posts to see which words people tended to share versus dismiss.

Konrad found, for instance, that people didn't actually care that much about old food photos, favored posts that used words like "miss," and generally felt uncomfortable seeing memories containing swear words or sexual content.

All of that research went into Facebook's current triangulated approach of adapting your On This Day memories based on personalization, artificial intelligence, and preferences.

Allowing people to specify certain dates they don't want to see memories from or people they'd rather forget about is an important part of that.

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