unity

Joel Spolsky's 2009 Google Tech Talk on why StackOverflow was built, how it addresses the mess of searching for programming help, and the community design behind it. He also takes jabs at paywalled answer sites.

Robert Martin's RailsConf 2009 talk looks at why Smalltalk lost out despite its technical strengths. He draws lessons about language communities and arrogance that he argues could hurt Ruby too.

Steve Jobs' 2005 Stanford commencement address, in which he tells three stories from his life about connecting the dots, love and loss, and death. He urges graduates to follow their dreams and find opportunity in setbacks.

Larry Wall speaks at Google's Chicago office in 2008 about the Perl community, the language, and Perl 6. The talk touches on grammars, macros and error messages.