<a href="http:&#x2F;&#x2F;blog.samaltman.com&#x2F;" rel="nofollow">http:&#x2F;&#x2F;blog.samaltman.com&#x2F;</a><p>I&#x27;d say three of his last four posts are more negative than he has been historically.  I&#x27;ve also observed an increasing number of articles about properly calculating financials, unit economics, and hiring &quot;killer sales teams.&quot;  I don&#x27;t know that it means anything, but there does seem to more of that kind of chatter - and not from the buzzfeed &quot;Bubble!!!!!!&quot; kind of sources that its been pouring from for years.