Here is a good example of Viral Video in its truest sense.

<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/Oj6SZgbBuSQ&hl=en&fs=1"></param><param name="allowFullScreen" value="true"></param><embed src="http://www.youtube.com/v/Oj6SZgbBuSQ&hl=en&fs=1" type="application/x-shockwave-flash" allowfullscreen="true" width="425" height="344"></embed></object><br /><br /><object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/KsoVEeJg3TY&hl=en&fs=1"></param><param name="allowFullScreen" value="true"></param><embed src="http://www.youtube.com/v/KsoVEeJg3TY&hl=en&fs=1" type="application/x-shockwave-flash" allowfullscreen="true" width="425" height="344"></embed></object>