Microsoft's web browser Internet Explorer is notorious for not implementing the same standards that made the Internet into what it is today as rigorously as it should. Not due to technical superiority, and not due to being more usuable that other browsers, IE has steadily been gaining terrain in the web browser market over the previous years.
However, since a year or so, Mozilla's Firefox browser has been gaining terrain. Microsoft's decision to make IE releases linked to new releases of the Windows operating system has lead to no new features having been introduced in a long time. Mozilla Firefox did continue to develop and has added many features that make web users happy.
The reason for this post is that I stumbled over the image below. It pretty much sums it up