Cook saves the late founder in his contact list as a touching reminder.
Retail employees will reportedly determine the value of the device and offer an Apple Store gift card in exchange.
Analysts are predicting a big quarter for the iPhone 6, but competition is on the way from Samsung Galaxy S6.
Cook was so heartbroken at the sight of his friend's condition that he decided to have his own blood checked for a possible match.
The new wearable technology, which was announced Monday and launches April 24, has plenty of potential to improve the travel experience.
Diversity has become a hot topic among tech as many companies have drawn criticism for being largely white and male.
The Dow soared nearly 140 points on Monday, which marked the sixth anniversary of the bull market following the recession in 2009.
We know the price and battery life, but will we be upgrading our watches every three years?
Apple Watch will be available in stores April 24, but you can order one starting April 10.
"I can already see how this is going to be an important part of my life," Christy Turlington Burns said.
Shares of the tech giant gained more than 2 percent Monday after the company formally unveiled the Apple Watch.
Apple will be the exclusive partner for the launch of the service on April 12.
The tech giant's CEO is expected to formally unveil the price and final features of the Apple Watch.
Apple Watch could change the game in short messaging.
The glitzy wearable represents Apple's first new product category since the iPad.
Apple Watch may not be the only product in the spotlight in San Francisco on Monday.
Companies big and small are looking to make their apps available for Apple Watch on launch day.
Waterproofing the iPhone's internal components could protect the smartphone from short circuits and water damage.
The bigger tablet is meant to appeal, in part, to business users.
Apple's media event kicks off March 9 at 10 a.m. PDT at the Yerba Buena Center for the Arts in San Francisco.
U.S. tech giants such as Apple and Amazon are rushing to build data centers on the Continent to allay Europe's privacy concerns post-Snowden.
Apple Inc.'s new head of retail will implement a text message-based reservation system.