"Why 1%? We realize that there might not a magic number for when web developers and IT pros can drop support for older browsers, but we believe that 1% will allow more sites and IT pros worldwide to make IE6 a low-priority browser meaning you dont have to invest as much time in updates or fixes," Roger Capriotti, Director, Internet Explorer Product Marketing wrote in a blog.
ie6countdown.com includes the details of IE6 share by country. Microsoft will update the sites stats on a monthly basis and "celebrate" as countries dip under the 1% mark.
With the assets provided on ie6countdown.com, Microsoft is encouraging developers around the world to spread the word by placing an upgrade notification to IE6 users on their website.