Barlow was cofounder of the Electronic Frontier Foundation, a nonprofit that advocates for civil liberties in the digital age.
In 1995, Kapor called Barlow "the uncrowned poet laureate of cyberspace".
The EFF, co-founded by Barlow in 1990 to defend digital freedom, said Barlow died in his sleep Wednesday morning.
We are creating a world that all may enter without privilege or prejudice accorded by race, economic power, military force, or station of birth. The principles lay out Barlow's approach to life in 25 concise bullet points, including "expand your sense of the possible", "live memorably", and "endure".
Barlow said he had chose to try his hand at writing lyrics mostly to attract women. "I thought this was a miscarriage of justice, so I quit in protest". "Then I realised, this is what poetry has always been for".
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Barlow was born in rural Sublette County, Wyoming, in 1947 and raised near Pinedale, where his parents were ranchers and his father a state senator. Barlow was politically active on behalf of both Democrats and Republicans. Brought up in the Mormon faith, he was barred from watching television until he was in the sixth grade.
He said he grew up as a devout Mormon before leaping into the counterculture of the 1960s, befriending Bob Weir - a guitarist and founding member of the Grateful Dead - when they were classmates at the Fountain Valley School in Colorado.
"He's one of the very first people who recognized the internet was going to be important because it would help people connect in a way they couldn't in the physical world", said Cindy Cohn, the EFF's executive director. Entertainment sites are now lamenting the loss of a poet turned Grateful Dead lyricist.
He later returned to Wyoming, where he ran a cattle ranch for almost two decades and dabbled in Republican politics.
Barlow spent more than 20 years as a lyricist for the Grateful Dead.
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The 1985 Edmonton Oilers have a celebration Sunday for their vote as the best National Hockey League team in the last 100 years. He went over and abandoned me on Monday to go play Cypress (Point), which is understandable. "I just love everything about it".
Barlow was also involved involved in politics helped campaign for Dick Chaney back in the '70s. In 1994 his fiancé, Dr. Cynthia Horner, died suddenly.
Barlow is survived by his wife Elaine and their three daughters.
Barlow, an emeritus fellow of the Berkman Klein Centre for Internet and Society at Harvard University, was also a founder of the Freedom of the Press Foundation in San Francisco, which promotes adversarial reporting and internet advocacy. This was addressed to governments who he felt were attention to interfere with it.
Yet for all Barlow's internet advocacy, there were limits to his own internet use.
The staunchly libertarian document demanded governments to avoid interfering in the internet, which he referred to as "the new home of the mind". And we'll leave you with this, from "Cassidy": Fare thee well now, let your life proceed by its own design / Nothing to tell now, let the words be yours, I'm done with mine.
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I have spoken with Westerville city leaders and pledged the full assistance of the Ohio Highway Patrol in any way they need. No additional information about the suspect or the incident to which police responded were immediately available.