You know a trend has reached a zenith of when it takes political tones.
Check out the Hillary 1984 video,v
within a very short time it had hundred more than million views, it is a spoof on the the 1984 ad
which laid the foundation of the mac cult. Year 2004 saw the use of blogs in presidential race in US and that year could termed as a turning point year for blogging. Videos seem to have that turning point this year.