Mozplugger is a Firefox plugin that allows you to embed applications that handle various file types in Firefox.

In this post you'll see how to get embedded PDF files in Firefox 3.6 and Firefox 4 (I've tested it in both) - like in Google Chrome (sort of) - using Evince, the Ubuntu default PDF reader.

As you probably know, Ubuntu will get multi-touch support starting with Ubuntu 10.10 Maverick Meerkat. You can read the official announcement here.

I was away on holiday and missed the whole multi-touch announcement but I'm sure you already know everything about it by now. Anyway, here are 2 videos demonstrating the new multi-touch feature for Evince and Inkscape (the videos date back to August 18, but maybe you haven't seen them):