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Twitter's headquarters in a 1937 San Francisco building features brightly coloured furniture, padded booths, games rooms and an enormous roof terrace

This space would work great. If you replace the long table with a bar it could be used for informal meetings and social events. I also really like the "doodle wall" idea

Perkins Eastman recently completed the design of BBC Worldwide Americas’ new office in New York City which relocated, consolidated, and utilized a much more open office landscape.