What online information can I control? 

Not all information can be controlled. Some information may be stored in internet archives like the way back machine   or tweets archive Topsy (tweets and the images, videos and articles linked to them).

What do you do if your pictures are used without your consent on social networks? Have you ever been impersonated online?

Career planning: "Your Future Employer Is Watching You Online. You Should Be, Too".

Use social media for

• Networking power
• Creating your “online brand”
• Showing off your social media and other skills