That makes SD cheaper than film.

If you compare 35mm film rolls to using SD memory sticks on a 10megapixel camera set for “raw” format photos, and you treat the memory like film (never delete), SD and film come out to about the same cost (before paying to process the film).

If you’re a more “normal” (tech-savvy) person and stick with the highest quality JPGs your camera can take and actually delete something now and then, SD is totally cheaper than film.

In other words: it makes financial sense for SD to be used for archiving.

That makes me wonder how long SD actually lasts, sitting on the shelf. A year? A decade? A century?

Ha, I’m envisioning a contact sheet of SD memory cards.

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