c513f51b_with_Flash_____Scott_Granneman__HTML
[Flash] The user has no control over what the Flash animation displays or does, and must view anything included in the Flash animation, and cannot stop the scripting language from doing what it wants to do. [HTML] 
The user controls what his browser displays; for instance, a user can choose to block ads or JavaScript or popup windows.
What's wrong with Flash? :: Scott Granneman
HTML