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I had a similar realisation a few days ago - I was putting a new microSD card in my phone, and realised that it represented 100 times the storage of my first PC (200GB vs 2GB). I still get a feeling of "this shouldn't be able to store this much" every time I use a microSD card.

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>this shouldn't be able to store this much

Same here. I was thinking about how many CD-ROMs it would take to store a certain amount of information, as a measure of just how much data something amounted to. Then I thought that with microSD cards, the same amount of data would sound much less impressive.

I love looking at MicroSD cards and imagining how, in your example there are 1,600,000,000,000 individual storage units inside it.

That's 200 x a billion x eight.

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