1. @coryhaik

2. Truth Teller is a video fact-checking experience that
aims to meet people where they are to answer their
most pressing questions.
Truth Teller is only as good as its facts.

3. How does it work?

5. Where do the facts come from?
● They are written by Washington Post reporters or
aggregated from credible fact checking sites and
entered into our CMS.
● Our CMS, Word Press, then turns them into a
database that a computer can interact with.

6. the politician’s
statement
keywords in
that statement

7. so the metadata entered in these fields ... turn into these fields that a computer can interact with

8. Next, we get the video
transcript.

9. Now, an algorithm looks for matches between the database of facts and the transcript.
Here’s what that match looks like.
This is the matching statement in the video transcript
This is the original fact-checked claim we had previously
entered in the database.

10. From Prototype

12. To Beta

14. To Production

18. http://www.washingtonpost.
com/posttv/politics/truth-teller-the-time-chris-
christie-lied-to-voters/2014/01/18/b60bf080-
7fb8-11e3-93c1-0e888170b723_video.html