&gt; WITH THE TECHNOLOGY AVAILABLE IN THE 1960s<p>Exactly, in 1969, sir, they had to code everything WITH NEGATIVE TIMESTAMPS [1]. Apart from the joke, it underlines the prehistoric era of technology at the time.<p><a href="http:&#x2F;&#x2F;www.commitstrip.com&#x2F;en&#x2F;2015&#x2F;10&#x2F;06&#x2F;before-timestamp-0&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.commitstrip.com&#x2F;en&#x2F;2015&#x2F;10&#x2F;06&#x2F;before-timestamp-0&#x2F;</a>