Why jones?

[MacWage]

Thanks all for the pointers - I'd not seen the word being used anywhere outside XMarks, and assumed that, like 'Tank' it was internal slang or jargon.

I notice that no-one has yet commented on my second question - Is it curable?

Only by aquisition of the longed for item. Yet, even then, it often reemerges in another form. :rolleyes: