Exam style question "long tail model

How have technological developments led to an increase in successful sales though the "long tail" model, use examples to explain your argument

Technology has allowed successful sale through the long tail model, The "long tail" model is where when a product is released after the box office the the product continues to make money at the steady rate over a long period of time. New technology allows new channels of distribution such as Netflix or DVD this allow products to be released and re watch multiple time. An example of a successful product is Anchorman, this movie did poorly in the box office but once released on DVD did very well was it reached a wider audience and grow a cult following. This was only possible because of the developments in the web and social media, It can be easier for large conglomerate like Disney to achieve this as they are ready have a following and have distribution channels of their own.