I am also worried for the long-term. If there are new generations so frequently and backwards compatibility is limited or not guaranteed, I ponder if you'd be a

I am also worried for the long-term. If there are new generations so frequently and backwards compatibility is limited or not guaranteed, I ponder if you'd be able to find a working-condition tape reader for your 20-year old tape... At least it's likely I can find a USB port 20 years from now, or a DVD reader (they are still being manufactured today, when even more than 20 years have passed since their introduction, and they are even compatible with much older CDs...).