Apple’s big day

September 12, 2012 Posted By: admin Leave a comment

Its most important product is set to get its biggest upgrade in more than two years

FORTUNE -- There's a lot riding on the announcement Apple (AAPL) is scheduled make in San Francisco today at 10 a.m. Pacific (1 p.m. Eastern).

If you don't count the iPhone 4S (and most analysts don't), it's been more than two years...