In today’s Quick Hits, Facebook meets another milestone and researchers expose some privacy problems in Chatroulette.

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Facebook Hits New Traffic Record

Facebook set a new traffic record last month, earning 141 million unique visitors. Facebook’s continued growth puts it close to Google’s numbers. The search giant tallied 179 million unique visitors in May. Since last year, Facebook has doubled its traffic.

Researchers Uncover Chatroulette Privacy Loopholes

The anonymous video chat service Chatroulette burst onto the national scene several months ago, earning praise from tech pundits for its innovation as well as criticism from safety advocated for its rampant nudity. Now, thanks to researchers from the University of Colorado at Boulder and McGill University, it may also draw criticism for not being all that anonymous.

According to a PC World article, the researchers were able to determine the identity of several Chatroulette users by combining public Facebook data with IP information. “Because Chatroulette’s back-end system shares user IP addresses, researchers were able to use IP-mapping services to get a general idea of user’s location (a public Web site, called Chatroulettemap.com already does this). Then by searching Facebook using information obtained in chats and comparing pictures, researchers were able to identify chatters.”

Location-Based Social Networking Users Worried About Privacy

You might think that Foursquare and Gowalla users are comfortable with sharing their location (why would they use location-based social networking, if they didn’t?), but a recent survey of 1,500 location-based website users revealed that over half (55%) are worried about loss of privacy. In general, women were more likely to worry about their privacy than men.

Dan Schawbel Offers Job Hunting Advice in the Wall Street Journal

In a column for the Wall Street Journal’s Hire Education blog, personal branding expert Dan Schawbel shares five tips to help job seekers find work, or, as he puts it, help work find them. One of Schawbel’s recommendations is to “clean up and promote your online presence” demonstrating again that proactive online reputation management is key for job seekers.