Have you ever wondered why your phone has a drained battery in the middle of the day? It might have something to do with a faulty application, running scam ads unbeknownst to you. According to fraud detection firm Protected Media, Ad Stacking was spotted in codes, provided by an ad technology company Aniview. Ad Stacking is essentially showing you one ad, but in the background it is playing multiple videos at the same time, destroying your battery life. This type of fraud hurts not only you, your device and data cap, but also companies who pay for impressions and views, as well as...
Source: https://www.gsmarena.com/scammers_playing_hidden_video_ads_draining_smartphone_batteries-news-36172.php