I hope that you enjoyed Saturday’s Mac Riddles, episode 63. Here are my solutions to them.
1: I came and went in white, then returned in three colours before going again. Am I about to return?
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MacBook
I came (in May 2006) and went (in July 2011) in white, then returned in three colours (April 2015) before going again (July 2019). Am I about to return (as Apple Silicon)?
2: Let me teach you unpolished rock to upset the neighbourhood late at night.
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GarageBand
Let me teach you (in lessons, and the Lesson Store) unpolished rock (as expected from a garage band) to upset the neighbourhood late at night (as they often do).
3: Certified by a lawyer, exploited by ads.
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Notarization
Certified by a lawyer (normally certification of contracts, etc., by a Notary), exploited by ads (first recorded notarization of malware by the adware Shlayer ten days ago).
I look forward to your putting alternative cases.