• Is Apple about to reinvent the retail store? (9To5Mac) After all, the Apple Store is the new Tower Records. All this, as Apple reportedly signed EMI for the cloud music service they're trying to launch on June 5. In my opinion, the labels just handed Apple another victory that will cement its dominance in music.
• The digital shift accelerates as Amazon announces that it's selling more Kindle books than physical ones.
• What's In a Concert Ticket? New Book Details 'How the Public Got Scalped'. (Hollywood Reporter)
• Tunipop goes live on Grooveshark with its merchandise sales add on. (Video)

MORE:

• Twitter makes signing up for third party apps safer... and harder with latest permission update.
• Online video content producer Clevver Media is launching Clevver Music, a YouTube channel that will feature interviews, performances and music.
• As part of it's effort to explain a recent price hike and the philosophy behind the digital distributor's flat fee pricing, TuneCore has published a "A Love Letter From The Back-End Distribution Model".
• Visibli: app gauges your Twitter influence and everyone else's. (Mashable)