Facebook's purchase of the mobile chat application WhatsApp for $19 billion drops another breadcrumb for parents trying to track their kids online.
Really Facebook? Really? Over the last decade Facebook has existed, there have been some funky changes. Here's a look back at some of the most puzzling.
Amazon CEO Jeff Bezos's wife MacKenzie defends Bezos and Amazon, while Facebook CEO Mark Zuckberg's sister Randi expresses ambivalence about social media.