Apple’s Mac business alone amounts to $23 billion annually. Jean-Louis Gassée reminds us that’s as much as the annual revenues of the Northrop Grumman Corp. That’s not something to take lightly. Also, a defocus from Apple branded displays and routers could simply drive customers into the arms of the competition in other closely related product areas. Even computers. Rene Ritche calls it the “Horn Effect.” Page 2 of Friday’s Particle Debris has the conversation.