Regulation of Trade
I was pleasantly surprised to discover this fine study, an analysis of the whole spyware phenom, had been issued by a previously unlikely source - the FTC.
Their document is written in plain English, not often the case in this line of work. I am heartened to learn that the folks most empowered to take legislative actions in response to the threats of spyware are, frankly, this far down that road.
Let me commend the entire paper to you, but draw in particular your attention to Chapter IV, Section A.5, the discussion of possible future changes to browsers and/or operating systems. In most cases, I'm afraid an overhaul from the ground up will be required.
"Cancel" means "yes." Indeed, it may.