Microsoft IIS caches all the style sheets that are placed inside the App_Themes folder, remembering the ones that are used by the web site pages (by all pages, not only the current one); the effect is easily visible looking at the HTML code sent to the client, noting that are included CSS links that were not specified for the page.
This behavior requires a strong attention on styles inheritance, but also can make Internet Explorer versions prior to the 9 to overflow the maximum number of style tags allowed: in these versions the maximum number of style tags is 32 and all the following ones are ignored.

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Shhh do not tell the other magicians! Here is the third Mental Marketing secret revealed. 
Having an accomplice when you perform a magic trick is very convenient, but think how much better it would be if the accomplice is not aware of that.
Can you imagine the benefits of such a technique applied to advertising?

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The technique I'm going to talk about, could be in some cases replaced by a dedicated post-production, but frequently it's easier to use it during the shooting to get some interesting special effects.

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IBM produces the smallest video of the world... not the shortest, but the one where the actors are the smallest possible! Here's an animation using atoms... incredible!

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Derren Brown, one of the most famous contemporary mentalists, shows us how to subliminally influence an advertising agency.

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