BTW, the same author wrote that on Android it saves 20% of battery life: <a href="http:&#x2F;&#x2F;www.theguardian.com&#x2F;technology&#x2F;2016&#x2F;feb&#x2F;01&#x2F;uninstalling-facebook-app-saves-up-to-20-of-android-battery-life" rel="nofollow">http:&#x2F;&#x2F;www.theguardian.com&#x2F;technology&#x2F;2016&#x2F;feb&#x2F;01&#x2F;uninstalli...</a>