It is a service of Google that can be customised AJAX-based startpage much like Netvibes, Pageflakes, My Yahoo!, MySurfPad and Windows Live Personalized Experience. It was originally launched in May 2005.
Its features include the capability to add web feeds and Google Gadgets (similar to those available on Google Desktop).
It was renamed and expanded on April 30, 2007 and is currently available in many localized versions of Google (42 languages, over 70 country domain names, as of October 17, 2007).
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