It allowed gaming on your TV for a fraction of the cost of a typical gaming console, largely by streaming games from the cloud or your own PC. (technewsworld.com)
Being able to hear yourself while streaming some games on PS4 is also very useful for people like me who are constantly recording and uploading stuff online. (thebuttonsmashers.com)
Now you can upload or live stream your game play videos and screenshots directly from your system; while doing this, you don't need to disturb the game in progress. (indabaa.com)