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Like any new technology, selling crypto to the public will be difficult at first. I'll bet the telephone, something so vital to today's society it is difficult to imagine functioning without it, was tough to get going.
For an interesting look at this, see _When Old Technologies Were New_; I've forgotten the author. It's about electrification and the telephone. And remember, just because there's opposition, it could still be a bad idea! :-) Let's not get too self-congratulatory here.
On a related note, it is amazing how much information about you exists. [...] Some supermarkets were even testing a system in which your purchases (scanned by the bar code reader) are saved and indexed by your credit card or check!
It really is unsettling. There is, in fact, a speculative market in personal information. Some of these companies doing supermarket systems had the collection systems developed, and then went looking for customers. Eric