Journalism Prof.  Jeff Jarvis's frank online postings about his prostate cancer and the at-times embarrassing side effects of treatment allowed him to receive support and advice from male readers who suffered the same disease, The Wall Street Journal reports. This is just one example of the kinds of benefits social media sites allow for, Jarvis says, arguing that government's attempt to regulate online privacy would be a "dire mistake." Instead, the onus should be on each individual to weigh the risks and rewards of sharing online. "When new technologies cause change and fear, government's reflex is to regulate them to protect the past," he notes. "But in doing so, they can also cut off the opportunities for the future." (Registration may be required to access this story.) 
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