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Continue to ChatWriting on the wall: Social media - the first 2,000 years by Tom Standage https://www.markpack.org.uk/48351/writing-on-the-wall-social-media-the-first-2000-years-by-tom-standage/
Writing on the wall: Social media - the first 2,000 years by Tom Standage https://www.markpack.org.uk/48351/writing-on-the-wall-social-media-the-first-2000-years-by-tom-standage/