Buried in this Infoworld article about a new vector for shell:// URL exploits was this nugget:

According to data compiled by WebSideStory Inc., a San Diego Web measurement company, Internet Explorer’s share of the browser market dropped by 1 percent in the last month, the first noticeable decline since the company began tracking the browser market in late 1999.

Use FireFox, windows users!

My thoughts on the shell:// URI can be found on Slashdot (summary, it’s asinine).