Social media has undoubtedly democratized the Internet. But is this information free-for-all putting PR on the endangered industries list? To find out why not even social media will be able kill PR, head to the Horn Group Offices. Tonight, AllThingsD's Kara Swisher and some PR types debate why controlling the channels of communications may be more important than ever. Cocktails start at 4:30 p.m.; the panel starts at 5:30 p.m. For those of you who are over Web 2.0, see what's next. Eric Rodenbeck, founder and creative director of Stamen Design will be discussing the evolution of the Internet at the Commonwealth Club at 6 p.m. If your hump-day happy hour can't start early enough, LinkedIn is sponsoring another networking event downtown. Hobnob with other professionals at the Wine Bar SF from 12-1:30 p.m. (Photo by Brian Solis)

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