Re:How to Go From Google Engineer to First-Time CTO
by MattLaroche on Tuesday September 10, 2013 @06:56PM
(#6364144)
So the AP follows sentence case for titles, but this one follows title case for titles. And in title case, which is another rule, would endorse capitalizing "Go" here.
http://grammar.about.com/od/rs/g/Sentence-Case.htm