...are very very annoying. I, for one, am going to boycott voting for any video that starts with an advertisement. Just as I've discontinued my subscription to cable television and stopped listening to the radio due to the number of over-the-top advertisements that we can really do without. Maybe I'm alone on this, and if this is the case, then my cause will go unnoticed and VS will slowly mutate into a commercial farm of which it doesn't see a dime. If there are others, however, that are with me on this, speak up and let everybody know that this is your site and you choose to flex your right to not vote in symbolic protest.

[addendum]plugs to your own site or cause do not count (although it doesn't make them immune to being annoying)