To Grek1 : I'm afraid the data didn't mean anything to me because:
To ajb : I'm with you; I'm not a techie and I don't want to understand the intricacies. I want to know what it does so I can evaluate if the thing is any good for me.
To TonyStill: I can afford to make an occasional mistake and buy something which isn't really what I expected, in the knowledge that I'm also helping the community. And anyway there's so much s/w out there which is free - I guess I'm still ahead!
To the developers of anything: But I'm not going to spend tuppence on a left-handed molybdenum grungemorbler just because someone says I ought to.
To Germanius: Now here's an example of a recent innovation whose web page pursuades me.