• Be witty, but appropriate. Wit can help create a personal brand, but inappropriate or crude social media can offend hurt your chances for a job.
• Never sub-tweet or speak negatively about employers or businesses on social media. They will find it.
• Pictures of casual drinks with friends can be posted, but keep it classy and not trashy. 
• Ask friends to respect your wishes and not post inappropriate or damaging information or photographs about you on social media. 

Read the full story on how social media can affect the job search here.