This LifeHacker article describes the software you need and what you can do with it. Pretty neat!
Keep in mind that corporations can still monitor your emails and see if you are using your email for social media. Practice good judgment when making use of tools like these. Here’s the link:
Disclaimer: Companies block access to such sites for a reason. ATL Computer Repair will not be responsible for damages, loss of job, etc. resulting from reading this post. Use common sense and discretion.