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10 Ways You're Ruining Your Personal Brand

It's Tough to Succeed When You're Sending All the Wrong Messages

7. Social Media Misuse

An example of how to lose a job in 140 characters or less is the story of the would-be Cisco employee who Tweeted "Cisco just offered me a job! Now I have to weigh the utility of a fatty paycheck against the daily commute to San Jose and hating the work." A Cisco employee responded, "Who is the hiring manager? I'm sure they would love to know that you will hate the work. We here at Cisco are versed in the web."

Twitter is a terrific social tool, a way to relay information quickly and efficiently, and with the chance to impress others with your wit. Because it's the essence of the instant response, however, people sometimes tweet before they think. Best to think before you tweet.