Amazon doesn’t want to drive even more customers Apple’s way, so it has done an about-face on its decision to include ads on the lock screen and main home screen of its new Kindle Fire tablets and is letting buyers opt out — for a $15 upcharge. Last week, Amazon introduced a slew of new Kindle e-readers and Fire tablets. All the new Fire tablets featured “Special Offers” that included the ads. In a statement, Amazon has reversed course. “I wanted to let you know that with Kindle Fire HD there will be a special offers opt-out option for $15.” Read the full story at PC World.