We're on the ground at MWC 2014, and events are in full swing as day one begins. Today, Mark Zuckerberg will be speaking to perhaps talk about Facebook's acquisition of the chat app WhatsApp, and we'll be live blogging the whole thing. Follow along with us live as we hear what else Zuckerberg has to say about Facebook and the $19 billion purchase.

Click here to join the live blog at 12PM ET / 9AM PT