A couple of weeks ago - gosh, over a month actually - I was driving down from Skye late in the evening with $small_son in the car blasting Music Has The Right To Children as we wound our way from Shiel Bridge up to Cluanie, back down to Bunloyne, and then up to the top and back down into Invergarry and past Loch Oich and Loch Lochy, all the way to Spean Bridge as the early evening magic hour sunlight faded to dark.
Then we stopped at the Spar and got pizzas, and a coffee for me and a hot chocolate for him. "Dad, can we listen to something else now, like Rage Against the Machine?"
He's six but he's being raised to appreciate the classics. We bargained and converged on Iron Maiden - Somewhere in Time for the second half.
Yes, we did see the Shiel Bridge goats, but they were back nearer Kintail this time.
Where I live, an sms app is not very important. It's almost exclusively used for two factor authentication messages. Everyone uses WhatsApp, signal, telegram etc, even businesses and services.
So having a bare bones aosp messaging app was never an issue for me. Having said that, I find fossify messages pretty good.
I'm reading the clockwork rocket at the moment. It's a little different but it's set in a universe where the laws of physics / behaviour of light seems to be different to our own.
I considered buying an X4 for the portability (and to be honest installing and tinkering with crosspoint sounds fun).
But the kobo can fit in my jeans pocket and is about the size of a normal paperback page. I feel like the X4 would be too small and might be frustrating.
IIUC the rotating challenge actually didn't have anything to do with the key, it was a red herring. The actual decryption key was just a function of the fixed serial number or something like that.
Though the memory of owning one and knowing about different brands of baby carriers feels like it belongs to another lifetime now.
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