Here is an excellent overview of how to use video to publish your company news. Duncan Riley at TechCrunch gives tips on creating high quality video on various platforms, adding effects and publishing it where it will be widely seen (predictably enough, the top-ranking places to publish are YouTube, YouTube and YouTube, but others are listed as important).

Two of his recommendations are live TV streaming (which you can edit for later publishing as a video), and just watching YouTube to see what works and what doesn't. You can see that being one of the more popular jobs at the office, can't you?