2012 January 8: Third-Gen iPad Body Leaks - Tiny differences suggest an improved rear camera and thicker body for upcoming model. January 12: Chinese iPhone 4S Launch Marred - Shoppers pelt Beijing’s Apple Store with eggs after Apple misses launch time; Apple stops at-store sales. January 19: Apple Adds iPad Textbooks To iBooks 2 - NYC education-focused event sees debut of iPad-only interactive textbooks, and iTunes U app for students/teachers.…