Sorry, Windows 10 early adopters: Microsoft Edge WON'T block ads at launch

No extensibility mechanism planned for initial release

You won't have to worry about dodgy toolbars, rogue ActiveX controls, or buggy plugins when you use Microsoft Edge (ni(C)e Project Spartan), Redmond's new web browser for Windows 10. But you can also forget about extending the browser in any way, at least at first."