Opera has released version 37 of its desktop and mobile browser and it now includes a native ad-blocker. Now, with a flick of a switch from the settings, you can block all ads within the browser without having to download any extension. Opera claims that since you are not using any extension, the browser uses less memory compared to other browsers. Also, Opera blocks ads using native code and at the engine level for efficient, fast page loading. Opera recently added native VPN functionality in the developer channel of the browser. This feature is not yet available in the stable...
Source: http://www.gsmarena.com/opera_gets_native_adblocker_in_latest_version-news-18101.php