Best of the Week: The Duo, the debut, and Apple's Rs.3 lakh phone launch
New Delhi, Sept. 12 -- Best of the Week is a weekly newsletter by Siddharth Sharma/Shravani Sinha. Subscribe to Mint's newsletters to get them directly in your inbox.Apple's "Surprise and Shine" event on 9 September delivered exactly what its name promised, a phone that folds like a passport, a new…