MS Force of Nature.
Yes, IE7 supports tabbed browsing. Check out what Dean has to say about tabbed browsing in IE7 on the IEBlog.
Good Lord, this Microsoft is unstoppable. Is there NO END to the tsunami of innovation sluicing out of Microsoft every single goddamn day? Tabbed browsing. Jeebus. IncroyABle.
Some people have asked why we didn’t put tabs in IE sooner. Initially, we had some concerns around complexity and consistency… will it confuse users more than it benefits them?
Let's run that through the DeRedmondator, shall we? Translation:
We didn't invent it, so we thought that if we ignored it it'd just go away.