Why wait for tomorrow
When AdAway, can already block most *NOTE* I did not say all! but, still something, along the lines of 98% of Ads be they Web based, or App based TODAY!
Yes there is that stick in the mud, about having to be rooted to actually use it. but, a) its FREE, and more importantly b) IT JUST WORKS! Is itself more then enough justification for me to use this along my Custom Android ROM which itself required root to be installed.