generally compressed for transport and storage. Increasing consumer demand for streaming of high-definition (HD) content has led the industry to develop technologies such as WirelessHD and G.hn, which are optimized for streaming HD content. Many developers have introduced HD streaming apps that work on smaller devices such as tablets and smartphones for everyday purposes. A media stream can be streamed either live or on demand. Live streams are generally provided by a means called true streaming. True streaming sends the information straight to the computer or device without saving to a local file. On-demand streaming is provided by a means called progressive download. Progressive download saves the received information to a local file and then is played from that location. On-demand streams are often saved to files for extended amounts of time; while the live streams are only available at one time only (e.g. during the football game). Streaming media is increasingly being coupled with use of social media. For example, sites such as YouTube encourage social interaction in webcasts through features such as live chat, online surveys, user posting of comments online and more. Furthermore, streaming media is increasingly being used for social business and e-learning. The Horowitz Research State of Pay TV, OTT and SVOD 2017 report said that 70 percent of those viewing content did so through a streaming service and that 40 percent of TV viewing was done this way, twice the number from five years earlier. Millennials, the report said, streamed 60 percent of content. Transition from DVD One of the movie streaming industry's largest impacts was on the DVD industry, which drastically dropped in popularity and profitability with the mass popularization of online content. The rise of media streaming caused the downfall of many DVD rental companies such as Blockbuster. In July 2015, The New York Times published an article about Netflix's DVD services. It stated that Netflix was continuing their DVD services with 5.3 million subscribers, which was a significant drop from the previous year. On the other hand, their streaming services had 65 million members. Napster Music streaming is one of the most popular ways in which consumers interact with streaming media. In the age of digitization, the private consumption of music transformed into a public good largely due to one player in the market: Napster. Napster, a peer-to-peer (P2P) file-sharing network where users could upload and download MP3 files freely, broke