Facebook a Lost Zuckerberg

Los Angeles - The Facebook founder Mark Zuckerberg's sister, Randi, her job as the marketing head of the social network left.

Randi Zuckerberg Facebook had left to her own business on the ground.

"We can confirm Randi decided to leave Facebook," said a spokesman for the social network said. "We are grateful for her services."

The technology blog All Things Digital Zuckerberg said Facebook to leave a company to establish "other businesses will help to utilize social media."

"We have tremendous progress made​​," she said in her resignation letter. "But there is still much to do and other ways of bringing about change."

"Now is the time for me to Facebook outside a building company that will focus on the exciting trends in the media industry," she wrote.