Facebook founder 's sister is leaving social networking site, to provide companies with no goal or an employee - even

Anyone seen the movie The Social Network would have no way of knowing that Facebook founder Mark Zuckerberg has one sister. But now Randi Zuckerberg generated headlines of her own - after six years of faithful work in her younger brother 's shadow as Facebook' s director of market development, they jumped ship to establish an independent social media companies.

The tech blogger of Silicon Valley are rubbing their hands at the prospect of some sibling rivalry after the several complaints that the younger Zuckerberg - he 's 27, it' s 29 - has put up on the descent of his beloved website.

But senior business analysts are wondering whether this might not be the online equivalent of the large Dunkin 'Donuts break-1950s, as one of the two original partners behind America' broke's his favorite snack shops on your own with the rival Mister Donut franchise. (They were later bought by the same parent company and united after almost 40 years.)

More clueless tech observers wonder what Randi hopes to achieve, that they hasn \ s fastest growing companies 't been in one of the world' done. Your new look has a name, RtoZ media, but not publicly stated goal, no employees and no fully functional website - not yet.

Randi is unlikely that the planning for something controversial. She just gave birth to her first child, and has been on maternity leave. She seems determined to have fun with their money and their name recognition to branch out on their own, without doing anything to the Facebook brand they worked so hard to determine damages have.

"I 'm proud of what I' ve done here ... but I know I 'll just able to do much or more on Facebook, if I' m on the outside, "she wrote in her letter of resignation last week. She said her goal "was to start my own innovative programming and working with media companies," He added: "Facebook is clearly a central element in all my projects \."

You might not like the reputation of an innovative innovator her brother, but Randi is not stingy. They also went to Harvard, studied psychology at the time was, in the falling market to full-time focus on the phenomenon he had unleashed. At first she thought she would study to be a cantor - the singer, who accompanied the rabbis in Jewish services - but were changed her mind when it became clear there is a compelling new family to join.

In Silicon Valley, she has always left a reputation as someone unafraid to her hair down and have a good time. A few years ago, she made an amateur music video that celebrates the end of the one-time rival Facebook Friendster with a tongue-in-cheek ditty called Valley joy.

She has sung regularly since, and a section for Tina Brown 's online publication The Daily Beast. Her sense of humor is strictly of the non-scandal diversity, however: she has with her husband, a venture capitalist named Brent Tworetzky, since they were both at Harvard.

In her career she has worked hardest to get married Facebook with many traditional media initiatives - for example, broadcast a presidential debate in 2008, bringing the World Economic Forum in Davos on Facebook 's almost unlimited global audience and brings Facebook Live they are used to relay a town hall meeting held by President Barack Obama.

Does that mean she qualifies as a high flyer at eye level with her brother, Steve Jobs or Bill Gates? Not exactly. But it probably is as well a high-profile adviser to the great and the good of corporate America to understand how social media to integrate into their marketing and customer outreach plans.

Only a few days before she resigned, Randi argued in a round-table discussion organized by Marie Claire Magazine that the best way to social networking sites, police were committed to using all of their real names at any time. This is not endear them to the radical-line community, the anonymity and identity-shifting are all part of the great experiment of the internet thinks.

It did however, send a reassuring message conservatively inclined executives who might otherwise nervous about embracing a communication tool through which they have limited control. It is probably too many of these people speak in the coming weeks and months.