Not actually for 2 reasons. 1. Because AOL Explorer still uses IE 6 Engine. 2. There are many users still using it as per the Statistics of many websites.
No. Why do you think so? Read this CNET article... http://news.cnet.com/8301-17939_109-10231713-2.html?part=rss&tag=feed&subj=Webware
In my opinion, we can't stop supporting now. But, may be by the end of this year. Look at the following stats : Month by month stats of popular browsers : http://www.w3schools.com/browsers/browsers_stats.asp Month by month stats of Internet Explorer : http://www.w3schools.com/browsers/browsers_explorer.asp Clearly, popularity of IE6 is steadily decreasing, but is still significant enough.