wow, cool. A convention center? Sports venue? Concert hall?
These are office buildings designed to facilitate cross-organizational collaboration.
The basic idea is that face to face interaction engenders trust and further technical collaboration in other channels (not necessarily face to face).
Most people don't understand the second part of the sentence above.
In my experience and based on research I've read and participated in, trust is essential for teams to perform well.
There has been much written about the design of the building. Search for "Nvidia Headquarters".
Come by if you are ever in Santa Clara, CA.