Mark zuckerberg's speech about facebook "F8 developer conference" 2015

Facebook founder and chief executive Mark Zuckerberg is taking the stage at the company’s big F8 developer conference in San Francisco.



Here are the main announcements:

• Facebook's taking on YouTube with an embeddable video format
• The Messenger app has been turbo-charged
• It wants to simplify online shopping
• It's making baby steps into virtual reality with 360-degree video support
• It's tackling spam and malware head-on