July 26, 2026
The Hashtag’s Real Name Is ‘Octothorpe’ — Blame Bell Labs
Before it was the hashtag, # was the octothorpe — a name Bell Labs engineers may have invented as an inside joke.
Read moreJuly 26, 2026
Why Do We Say ‘O’Clock’? The Word Hiding in Plain Sight
'O'clock' is a 600-year-old contraction of 'of the clock' — from an era when you had to specify WHICH time you meant.
Read moreJuly 26, 2026
Why Is It Called Bluetooth? A Viking King Explains
Bluetooth is named after a 10th-century Viking king — and the logo on your phone is his initials, in runes.
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