Jevon Cochran protests in front of a BART train at the Civic Center station in San Francisco on Monday. Jeff Chin/AP hide caption

itoggle caption Jeff Chin/AP

Netflix boasts that it's the place to go for users to "watch instantly." But licensing fees and deals with other companies prevent it from streaming a good deal of its content online. Paul Sakuma/AP hide caption

itoggle caption Paul Sakuma/AP

On Monday, Apple will be the third big company to introduce a service that will let you access your music from a so-called cloud. Google and Amazon already have music services that make use of the cloud, but there's a difference. Daniel Barry/Getty Images hide caption

itoggle caption Daniel Barry/Getty Images

Ai Weiwei, one of China's most controversial artists, looks on during the 'So Sorry' exhibition opening at 'Haus der Kunst' on October 11, 2009 in Munich. Miguel Villagran/Getty Images hide caption

itoggle caption Miguel Villagran/Getty Images

Game industry analysts say the number of hours spent playing video games is increasing by about 8 percent each year. iStockphoto.com hide caption

itoggle caption iStockphoto.com

InBflat.net features 20 YouTube videos of people playing instruments in the key of B flat. inbflat.net hide caption

itoggle caption inbflat.net

Companies offer services as varied as song streaming, concert ticket sales and music downloads using business models ranging from subscription to free-if-you-watch-an-ad. Courtesy of Pandora, Songkick, Rdio, Rhapsody, eMusic and Spotify hide caption

itoggle caption Courtesy of Pandora, Songkick, Rdio, Rhapsody, eMusic and Spotify