How do historians preserve memory?

With the rise of social media, we have fewer and fewer hard copies of letters, photos, and other documents. So what happens in the future? Will all of this be preserved? Will there be too much of it to sort through? Fordham Conversations Host Chris Williams talks to Elizabeth Keohane-Burbridge, graduate researcher at Fordham University and producer of the Footnoting History podcast, about how historians preserve memories and how this is changing.