John Siracusa and Dan Benjamin try to put the topic of car engine noises to bed, then discuss value of "enterprise" businesses, RIM's possible future as a services company, Readability's business model, and Wil Shipley's case for paid upgrades in the Mac App Store.

Links for this episode:

• Kill Screen
  
• Readability Directs Shared Articles to Own Servers, Cuts Out Original Publishers - Daring Fireball
  
• The Mac App Store Needs Paid Upgrades - Wil Shipley
  
• Instapaper
  
• Readability
  
• In-App Purchase Programming Guide: Overview of In-App Purchase - Apple
  
• WWDC Alerts
  
• PlayStation 3 160GB System - Amazon.com
  
• PlayStation 3 320GB System - Amazon.com
  
• PS3 320GB Uncharted 3 Bundle: Playstation 3 - Amazon.com
  
• PlayStation 3 - 320 GB System/PlayStation Move Bundle - Amazon.com
  
• Ars Technica
  
• How to pronounce the name "Moleskine"
  
• iPad Smart Cover - Apple Store (U.S.)
  
• How Audi Makes Its Electric Cars Sound Like Futuristic Gas Guzzlers - DesignBoom
  

Sponsored by MailChimp and Shopify.