@enf Do you know if the first text messages were all caps only? I have trouble finding that info.
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Or: Outside of early ASCII or early home microcomputers, are there any other examples of a technology starting with all caps only?
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Replying to @mwichary
Street signs and sidewalk stamps!pic.twitter.com/pMlMeH04u3
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Replying to @enf
Is that a stylistic choice, or do you think a limitation of technology?
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Replying to @mwichary
Just stylistic choice. More seriously, almost all pre-ASCII printing telegraphy (Baudot, Morkrum/Teletype)
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I'm pretty sure text messages were always 7 bit for mixed case. I'll try to find a source to confirm or deny
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Replying to @enf
I feel like you're probably right. I guess some people just texted in all caps.
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Replying to @mwichary
I think it was 1988 when the CCITT standards for 5-bit telegraphy finally added an encoding for mixed case by the way
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You could also add pre-EBCDIC keypunch/line printer codes and BCD equivalent as caps only
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The GSM 7-bit mixed-case code for SMS dates back at least to 1992 http://www.etsi.org/deliver/etsi_gts/03/0341/03.04.00_60/gsmts_0341sv030400p.pdf …. Messages limited to 93 chars, not 160!pic.twitter.com/rXgT9hl6Zd
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