Street Fight Daily: 09.14.11

A roundup of today’s big stories in hyperlocal media, technology, advertising and startups...

Yelp CEO Jeremy Stoppelman claims that a 54% traffic growth this year has led the service to 63 million monthly unique visits. 21 million reviews grace the site and the app, and 1 million are being added every 30 days. He also calls Google’s acquisition of Zagat “a funny move. (The Next Web)…

Groupon’s Chinese joint venture Gaopeng is not doing so well. It has apparently closed 10 offices and fired at as many as 400 employees over the past three months. (ReadWriteWeb)…