A whole host of agile technologies have become mainstream over the past few years. These include refactoring, unit test, test driven development, and even Scrum. However pair programming is stuck in the mud.
One problem is that pair programming is expensive. On the surface, it takes twice as much to do pair programming. It is also not liked much by developers. It might be one of the agile methods that never pan out.
However it is the end results that matter. You want to know immediately when the build breaks. That might mean you have unit tests that automatically get applied. Or a build job checks for errors and emails the right people. We don't have that at our work. We used to. But the build scripts got rewritten, and are not as good any more.
Cisco Packet Tracer - I downloaded this software for free from Cisco. From the name "Packet Tracer", you would think this is some type of packet capture/analysis tool similar t...