before proceeding
past these fuzzy lines
select all zebras
careful tho — one zebra
may hide behind another
Image: Paul Maritz (detail), CC BY-SA 3.0 , via Wikimedia Commons.
After Kenneth Koch’s poem One train may hide another.
captcha is an acronym for Completely Automated Public Turing test to tell Computers and Humans Apart. It can involve asking the user to identify distorted text, listen to audio files or identify tessellated images of zebras crossing or zebra crossings or other randomness.
And for music today, something beautiful from Pakistan-born, Brooklyn-based vocalist Arooj Aftab with her album Vulture Prince. (YouTubers)
First developed in 1950, the Turing test remains the premier means by which computer programs can exhibit intelligent behaviour that is indistinguishable from that of a human. How a program performs in a brief natural conversation is used to distinguish between the real humans and the synthetic… 
Peter Frankis writes 