They haven't exactly reinvented desktop windows, it is just that the browser is turning into a full-fledged desktop. First you just had single windows and "mult

They haven't exactly reinvented desktop windows, it is just that the browser is turning into a full-fledged desktop. First you just had single windows and "multi-tasking" wasn't possible, you just opened new browser for every new thing you wanted to do and had history. Then they added the tab bar which is basically a taskbar. Now they're getting into virtual desktops and using zooming for navigating hierarchies. Of course, virtual desktops are used to some degree in a lot of places (mostly Linux desktops and OSX) and zooming isn't a new idea for the desktop but it hasn't been implemented in any of the big desktop systems like this before (AFAICT). The differences are that all applications (web pages) on this desktop are more or less the same size ("document" shaped) and we tend to have a ton more of them open at once then traditional desktop applications. And they are usually text-searchable. I've got mixed feelings about this. I've always thought tabs were cumbersome and didn't scale well but I don't really want to have to manually sort all of my tabs and push things around with the mouse, either.