Tabbed browsing (like the Firefox browser) was not to be expected before Internet Explorer 7 from Microsoft.
The latest MSN Toolbar surprises users with browser tabs for the Microsoft Internet Explorer 6.0.
BetaNews has more details and a hi-res screen-shot of the new MSN Toolbar feature. I am anyway stuck with the Google Toolbar.
There are already Internet Explorer add-ons available that offer tabbed browsing like the Avant Browser.
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