Publishers see free downloads as threatening the sales of the book.
Well I think any author or musician is anxious to have legitimate sales of their products, partly so they're rewarded for their success, partly so they can go on and do new things.
Sales are contingent upon the attitude of the salesman - not the attitude of the prospect.
W. Clement Stone
Someone told me that each equation I included in the book would halve the sales.
In the real world, I see conservatives volunteering at adoption agencies, at churches, at bake sales and the local American Legion Post while the only charity a progressive sends is a smug sermon on fair share and what fairness is.