The Real Source of The Word “Octothorpe”

Chris Messina
Chris Messina
Published in
4 min readOct 13, 2019

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I found this 1995 email exchange in the MIT archives of the TELECOM Digest between Bell Labs engineer Ralph Carlsen (patents) and Patrick Townson, the editor of the digest. The TELECOM Digest is the “oldest continuing e-journal about telecommunications on the Internet, having been founded in August, 1981 and published continuously since then.

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Chris Messina
Chris Messina

Inventor of the hashtag. Product therapist. Investor. Previously: Google, Republic, Uber, On Deck, YC W’18.