Below is a sample WebM video encoded with Wildform Flix which is a FREE WebM encoder. You need a HTML5 enabled browser and browsers that support WebM videos.
And while at it, why not read WebM Overview.
Which browser can see this video?
I tested playback with these Chromium builds (Chromium is the base of Google Chrome browser, note that these Chromium builds are daily builds should be considered preview releases):
- Windows: http://build.chromium.org/buildbot/snapshots/chromium-rel-xp/47765/
- Mac: http://build.chromium.org/buildbot/snapshots/chromium-rel-mac/47981/
The Red Cliff trailer is (C) 2009 Magnolia Pictures.