Yesterday night I was doing my very first experiments with Facebook API (I'm totally not a developer!) when I came across to an example, I tried to see if everything worked and those results came up.<p>http://cubeupload.com/im/Gz7Kwu.png<p>Mark Zuckerberg is the 4th user of Facebook.<p>So I started to wonder who are the third before.
Yeah, Dustin Moskovitz's concise explanation: "1-3 were accounts used to test registration. Evidently it only took Mark 3 tries to clear the bugs."<p>Source: <a href="https://www.quora.com/Facebook-Company-History/The-first-user-id-on-Facebook-is-4-Mark-Zuckerberg-Who-was-1%E2%80%933?share=1" rel="nofollow">https://www.quora.com/Facebook-Company-History/The-first-use...</a>