Im pretty sure the answer is no However, I'm still keen to find out. On my mac I run Adblock and flash block purely to cut down on exposure to adverts which I'm not interested in and never click on. Thats the 1st purpose, the 2nd, a nice bi product is blocking such elements improves battery performance. Today I read an article that suggested up to 80% of the battery power consumed by an app is related to the data it transmits back to the app developers about app usage, stats and as well as the ads served within the app. This commission of usage is quite startling, I am however mindful that if it were possible to block these ads and data communication through an app or proxy it would reduce revenue for the hard work put into app design. I pay for apps I like, that isn't the issue for me, efficiency is and I don't like knowing an app is consuming so much of my resources outside of its intended function. I assume currently, it isn't possible to control app data submission and ad blocking?