<P> In the early 2000s , Flash was widely installed on desktop computers , and was commonly used to display interactive web pages , online games , and to playback video and audio content . In 2005 , YouTube was founded by former PayPal employees , and it used Flash Player as a means to display compressed video content on the web . </P>
what is the primary purpose for adding flash elements to a website
to display interactive web pages , online games , and to playback video and audio content