Esther McCarthy: My biggest holiday regret? That time we went cave diving and nearly died of fear

“If I don’t come back, avenge my death,” I call through the gap, towards the precious natural light, oxygen, and certain survival, “and never remarry.”

Esther McCarthy. Picture: Emily Quinn

Last summer, Mark Zuckerberg launched Threads, Meta’s answer to a question Elon Musk’s X’s didn’t even ask. Gazillionaires and their power plays, eh? Little rascals.

A reported 10m users signed up in the first seven hours.