If it's working on a long time period, then when will this technology get common, and when are we going to see useful application(like real new computing interfaces or remotely controlled)? Does it mean that we'll be able to make artificial arms soon? Who can travel to the future and tell me if it's full of cyborgs?

The fact is that IE is still behind the other browsers in terms of functionalities or performances, even if IE9 is a LOT faster than previous versions, it's still not a valid alternative to Firefox, Opera or Chrome/Chromium. Microsoft may be doing a lot of work to be competitive, it's not enough. And even if they had a better browser, IE still have his reputation, even if it would make no difference for a common user, someone wise enough to choose his browser is unlikely to stay with IE. But fortunately for them, most users wont or cant change, not fair but IE is still used by most people.