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Captchas Are Becoming Security Theater
From ACM Opinion

Captchas Are Becoming Security Theater

CAPTCHAs are a time-worn way for humans to tell computers that we are human.

Life Before (and After) Page Numbers
From ACM Opinion

Life Before (and After) Page Numbers

Print media evolved into its present forms.

From ACM Opinion

The Technology of a Better Footnote

Footnotes—or endnotes, or just notes; whatever you want to call them—are a problem. They're a problem for writers and a problem for readers and a problem for typesetters...
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