job search notes: how do you get around behind the firewall?

From the job search front comes the following good links to follow:

Expand Your LinkedIn Reach (part 4 of 10)

by Sean

Does Your Firm Ban Social Networking?

by Jason Jacobsohn

The article above is timely. Behind the firewall at work, Twitter, Facebook, even the email within LinkedIn, is off limits. Switching from being outside to working inside has definitely posed some challenges in continuing to learn and share. My time needs to be optimized for those before and after work hours. Day time, the prime time, for most in the social network world, is generally off limits.

Do not take this as advocacy for finding ways around the firewall, but if you have this problem, how do you manage? Use your own device during lunch time?