Nowadays, it seems as though a new video crops up daily that catches fire and spreads wildly among everyone tuned into the Internet.

Just recently, Comedy Central's Stephen Colbert took center stage. The comedian and star of "The Colbert Report" made fun of President Bush at a White House Correspondents dinner. And the video of the event found a hoard of gleeful viewers online.

Before that, there was Natalie Portman, the Harvard-educated actress who made an appearance on "Saturday Night Live" spewing obscenities in a gangsta rap video. Once again, the television clip found a second life and a wide audience on the Internet.

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