Do you personally use these products, Gary? How do they impact your internet experience?
LSOs are a big problem aka flash cookies, but fortunately they are (I hope) not long for this world. I'm hoping that HTML5 will kill off Flash, which is a resource hog,unstable, controlled by a single company, and otherwise NOT A Good Thing.
ETags and Re-spawning are the new kids on the block. Both are capable of unique tracking even where all cookies are blocked by the user and “Private Browsing Mode” is enabled.
NO change in the overall net experience other than websites being unable to track. (yet)