I just wanted to point you to two great posts on the other two blogs here:
Types of Product Managers
Ran over at Code of Contact just wrote about the 4 types of product managers. It’s a great read for product managers and engineers. As a Product Manager myself, I hope I am tagged as the super star by them.
Video Quality Hurdles
Dealing with video conferencing is not easy. It’s a lot harder than doing streaming or pure voice over IP. One of the reasons for that is that it’s hard to maintain high video quality. Sagee Ben-Zedeff at Video over Enterprise has a great overview of the pesky problems video coders need to deal with.