Familiar names who stopped supporting Internet Explorer 6
The web has evolved in the last ten years, from simple text pages to rich, interactive applications including video and voice. Unfortunately, very old browsers cannot run many of these new features effectively. So to help ensure your business can use the latest, most advanced web apps, we encourage you to update your browsers as soon as possible.
January 29, 2010 — Modern browsers for modern applications
Amazon
Internet Explorer 6 is no longer supported by Microsoft and is widely considered to be obsolete. It has multiple security flaws and is considerably slower than recent browsers.
March 22, 2010 — Internet Explorer 6 no longer supported
The biggest improvements come from changes that aren't supported on older web browsers. After evaluating the alternatives, we've decided to make rapid improvements and provide the best Chat experience possible, which means we will no longer support Internet Explorer 6 browsers.
August 25, 2010 — Chat with No Interruptions
37signals
The Internet Explorer 6 browser was released back in 2001, and Internet Explorer 7, the replacement, was released nearly two years ago in 2006. Modern web browsers such as IE 7, Firefox, and Safari provide significantly better online experiences. Since IE 6 usage has finally dipped below a small minority threshold of our customers, it's time to finally move beyond IE 6.
July 3, 2008 — Phasing out support for IE 6 across all 37signals products
Salesforce.com
...a "last generation" browser that will be 8 years old in a few months, IE6 has fallen far behind other browsers with regard to speed, stability, and security. Of the browsers we support, IE6 provides the worst user experience for our users on all of these fronts.
January 21, 2009 — Salesforce and Internet Explorer 6, Part II
And the cream de la creme...
Microsoft to Support IE6 Until 2014
As engineers, we want people to upgrade to the latest version. We make it as easy as possible for them to upgrade. Ultimately, the choice to upgrade belongs to the person responsible for the PC.
August 10, 2009 — Engineering POV: IE6
The flaws in Internet Explorer 6 is unavoidable without touching on technicalities. However in less words, it's an insecure, slow and obsolete Internet browser to date.