In the blink of an eye. That is all it takes to look at a webpage and decide if it is what you are looking for - on a superficial level obviously. Check out this article for more. Here is a quick extract:
The lasting effect of first impressions is known to psychologists as the 'halo effect': if you can snare people with an attractive design, they are more likely to overlook other minor faults with the site, and may rate its actual content (such as this article, for example) more favourably.
What does that mean for on-line film distribution? I guess it means that you have to lay out the theme of your film in the first 30 seconds - rather than 10 minutes.
Still from Consecration.