Facebook CEO Mark Zuckerberg took the stage at the Mobile World Congress in Barcelona, where, joined by tech journalist David Kirkpatrick, he delivered the keynote address and discussed Facebook's acquisition of WhatsApp. Click through to see photos of the event.
Tucker Cummingsis Heavy's Senior Shopping Editor. She's obsessed with finding the best deals, and firmly believes that paying full price is for suckers. She's also written for money-saving sites like DealNews and LivingSocial. February 24, 2014 12:34 pm