It's good to stay in touch, but it's hard to explain why some of the new tools out there are so good unless you've experienced them.
I'm lucky enough to now be working somewhere that gets the idea of unified comms (although I'm still trying to work out how to get everything integrated into one place - I think we need to buy a mobile operator to hook into our in-house IT to finally close that loop!) but I saw this and it expresses the benefits in a much better way than I can...
And don't forget to check out the (similar themed) introduction to the really cool video conferencing tool - Round Table
I really must see this movie before the spoofs totally ruin it for me forever!