Credit due to IE9 for that. A big no no is that you are depending on a very exotic and old fashioned OS to use it . No Linux version yet.
I am told IE9 is fast and snappy and finally respects standards (not some moody techs opinion in Redmond). That is a big improvement too.
So I guess IE is better than ever!

The Tracking Protection feature now covers ActiveX controls—the most popular of which is Adobe Flash. In the final version of Internet Explorer 9, requests from ActiveX controls go through the same Tracking Protection Lists that govern websites. If you’ve blocked a third-party site, it will be blocked for access in Flash and other ActiveX controls as well. I’ll need to test this feature to see if it has an impact on local shared objects–aka “Flash cookies.”
Sadly it still is not good enough:
Should you switch?
No - still no Linux version and still too dangerous
