As our lives are becoming more connected, users are using more apps and apps are demanding more data, which could cost a lot for folks in emerging countries where data is relatively pricey. In order to combat this, Google has begun testing a new app called Triangle. The app allows you to view how much data you have left, see which apps are using that data, and you can even restrict data usage on a per-app basis. The app will even prompt you to temporarily enable data for an amount of time. For example, if you've blocked Google Maps from consuming any mobile data, upon opening the app,...
Source: http://www.gsmarena.com/triangle_is_googles_experimental_app_for_blocking_data_to_individual_apps-news-25919.php