Zoomable interfaces

ZUI's have been existing since a long time....but havent got much focus ....until apple launched its iphone interface which is a ZUI.

HEre are some ZUI's which are worth watching:

http://www.zoomorama.com/
http://www.2goto.com/

and ofcourse old players like google has been pitching on it since a long time

earth.google.com
Maps.google.com


Most 3D softwares use this interaction for better usability...

THE HISTORY OF THE BUTTON

Good slide taking u thrgh the history
http://www.slideshare.net/billder/ignite-portland1-historyofthe-button

A blog that talks about it
http://www.pushclicktouch.com/category/historyofthebutton/

And now ill press the button to publish the post....