What you need to know - 09/14/11

Walmart acquires OneRiot for social Web; Facebook and Twitter both getting big platform updates

Facebook is rolling out Friend Lists this week, chasing after the number one draw of Google+ with its Circles feature.

LivingSocial is making waves again with another big nationwide deal.  This time, the company has partnered with Whole Foods to offer a 50% off deal: $10 for $20 worth of groceries.

In its quest to analyze and make sense of the social Web, Walmart acquired OneRiot, which analyzes streams on sites like Facebook and Twitter.

Opera Solutions, provider of machine learning science and advanced Big Data predictive analytics, raised $84 million in its first outside equity funding, led by Silver Lake Sumeru, with participation from Accel-KKR, Invus Financial Advisors, JGE Capital Management and Tola Capital.

Newly-launched, location-based mobile gaming start-up Red Robot Labs raised $8.5 million in funding led by Benchmark Capital

Social music mixing site Turntable.fm closed a $7 million funding round led by Union Square Ventures.

Twitter launched Web Analytics, a tool for website owners to see exactly how much traffic Twitter generates for their Web properties.

Xignite, provider of financial market data, raised $10 million in Series B funding from StarVest Partners, L.P. and John L. “Launny” Steffens of Spring Mountain Capital.

Enterprise cloud storage provider Zetta raised $9 million in its third round of funding from existing investors Foundation Capital and Sigma Partners.  The new capital brings Zetta’s total raised to $31.5 million.