Today in Tech: With Zuckerberg in Shanghai, is Facebook China inevitable?

Fortune's curated selection of tech stories from the last 24 hours. Sign up to get the round-up delivered to you each and every day.

* Apple's (AAPL) Tim Cook visited Foxconn's new iPhone factory in the Zhengzhou Technology Park during his trip to China. (Fortune)

* New Research in Motion (RIMM) CEO Thorsten Heins will give a progress report on the company's turnaround later today when RIM reports its latest earnings. (The Wall Street Journal)

* Mark Zuckerberg was in Shanghai earlier this week, vacationing with girlfriend Priscilla Chan. The visit reignited speculation about Facebook entering the Chinese market. (The New York Times)

* Nokia (NOK) promises the premiere of the Lumia 900 smartphone, with Windows Phone 7, will be the company's largest, splashiest launch ever. (CNET)

* The New York Times' David Pogue reviews several Ultrabooks, PC-makers' answer to the MacBook Air. (The New York Times)

* Rumors about Sony's (SNE) next PlayStation console, codenamed "Orbis." (Kotaku)

* Dell  (DELL) stopped selling smartphones in the U.S., which includes its Venue and Venue Pro handsets. (PC World)

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