I hope that you enjoyed Saturday’s Mac Riddles, episode 197. Here are my solutions to them.
1: Supplies arrive by parachute, unsolicited crypto, or wireless file transfer.
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AirDrop
Supplies arrive by parachute (an airdrop), unsolicited crypto (also an airdrop), or wireless file transfer (what it does).
2: Find my flight bill to track your keys.
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AirTag
Find my (the Find My service for tracking) flight bill (an air tag) to track your keys (what it does).
3: Mark made by wind for hardcopy since iOS 4.2 and Lion a year later.
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AirPrint
Mark made by wind (like a footprint perhaps) for hardcopy (printing) since iOS 4.2 and Lion a year later (when it was introduced, the first in the autumn after the first iPad was launched).
The common factor
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They all start with the word air, and involve wireless networking.
I look forward to your putting alternative cases.