Mark Zuckerberg gives Samsung a pat on the back for the Gear VR

Facebook CEO Mark Zuckerberg made a surprise appearance onstage during Samsung's keynote at Mobile World Congress in Barcelona Sunday

During his remarks, Facebook's chief executive spoke about the company's vision for virtual reality and praised Samsung for its Gear VR headset, calling it the best mobile virtual reality headset available.

"One day you’re going to be able to put on a headset and that’s going to change the way you live, work and communicate,” Zuckerberg said.

Have something to add to this story? Share it in the comments. Read more...