Firefox 19 Released with Built-in PDF support! Install it in Ubuntu/Linux Mint

Mozilla Firefox is a free and open source web browser developed for Microsoft Windows, Mac OS X, and Linux coordinated by Mozilla Corporation and Mozilla Foundation. On Feb 19, 2013 Mozilla has announced the release of Firefox 19 for all platforms. Biggest addition in this release is the addition of Built-in PDF support that means users can avoid to use plugins with proprietary closed source