Maggie 🔜 visting SFO 🇺🇸 on Twitter: "Reading lots of tech theorist/author Marshall McLuhan lately. Great recorded talk on "medium is the message" http://t.co/pvGogsp11H" / Twitter

Reading lots of tech theorist/author Marshall McLuhan lately. Great recorded talk on "medium is the message" buff.ly/1VNlcIN

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