Twitter has partnered with American music chart company Billboard to create two real-time music charts based on social media mentions. Though the music industry must adapt to survive, can a social media chart really represent an artist or song's popularity authentically?

“I'm not a businessman, I'm a business, man,” raps Jay-Z. Collaborating with Samsung for the release of his new album, he's becoming a media empire – making money for himself, kudos for Samsung, and social currency for his fans.

Neil Young's new HD music player, PonoPlayer, surpassed its Kickstarter goal of $800,000 just hours after launching. But can people really tell the difference in sound quality, or is it purely psychological? And how will its Toblerone shape fit in our flexible, sleek world?

Iggy Azalea became the first artist since the Beatles to secure No. 1 and No. 2 spots of the Billboard Hot 100 simultaneously with her first two charting singles. While it took the industry by surprise, music analytics company Next Big Sound predicted her rise in the charts.