Often in our development we need to check how screens look in various browsers. Normally it requires installing a large number of various browsers to be installed on the local machine. For example I have various versions of Friefox, IE, Opera, Chrome, Safari, Sea Monkey.  Of course installing and updating various browsers on the same machine is time consuming and can cause software conflicts. Luckily, there is now a site that allows you to run a number of the popular browsers without installing them locally by utilizing application virtualization : https://spoon.net/Browsers