Two browser tracking firms disagree on the dominant browser, but concur that Firefox is slipping.
Microsoft is maintaining its year-long silence on a release timetable and features for its new browser on its current OS.
The firms question how their rival measures usage, and which browser -- Microsoft's Internet Explorer or Google's Chrome -- is the planet's most popular.
There are multiple exploits circulating online that attack a known flaw in the Internet Explorer browser that Microsoft has already issued a patch for.
Microsoft issued a patch to address the vulnerability in IE, but the flaw triggering the warning message was not addressed.
Analysis: Microsoft's plan to make Do Not Track the default in IE10 has been killed dead by the ad industry. Anybody surprised?
Next week's Patch Tuesday will feature a fix for a vulnerability in Internet Explorer that came to light at the celebrated Pwn2Own hacking competition.
Microsoft embeds Adobe's Flash Player in the Metro version of Internet Explorer 10 (IE10) in Windows 8 and Windows RT.
Internet Explorer 10 will ship with Do Not Track settings turned on by default. That's good news for you and me; not so good for the online ad industry.
Microsoft has enabled 'Do Not Track' by default in Internet Explorer for the Windows 8 Release Preview to give users a choice, and control over their own privacy.