OS Sounds: Mac vs PC
For once I believe the PC is better.
Windows Sounds Track
Mac Sounds Track
These were inspired by this very old Windows Sounds Flash animation that did the rounds back in early 2000.
These videos hit 3 touch points that help make a good viral.
1: Technology: people eat up content around technology and
2: Lots of work: any video that makes you think, "wholly shit that would have taken ages" gets good traction.
3: Music: Check the top viewed videos on Youtube and you'll see its heavily dominated by music. Followed by sex, obscure and the humor.