500 Hour Test of Tomorrow's Windows "Vista"

Internet Explorer

Until now, security holes have been the most common reason why Internet Explorer would make headlines. That's probably why Microsoft invested heavily in security features for Internet Explorer 7. A "protected mode" of operation restricts active Web content to running inside a well-defined "sandbox", which isolates it from the normal Windows file system. This means that Web sites can inflict far less harm, if and when security holes are uncovered.

A page from the Firefox book: The new Internet Explorer 7 supports tabbed browsing.

A preview function makes switching to other Web sites particularly simple.