On March 2, 2011, Apple announced that it had sold how many iPhones since the product was released in 2007?

• 1 million
  The overwhelming success of the iPhone -- more than 100 million sold since 2007 -- signaled a shift in the way consumers want to access information.
• 100 million
  The overwhelming success of the iPhone -- more than 100 million sold since 2007 -- signaled a shift in the way consumers want to access information.
• 1 billion
  The overwhelming success of the iPhone -- more than 100 million sold since 2007 -- signaled a shift in the way consumers want to access information.