Preparation at site:

2 laptops (1 borrowed)
3 projectors (2 borrowed)
2 web-cams (1 borrowed)
2 web-cam supporting poles
2 usb extension cables
2 participants
1 power board (for 2 laptops 3 projectors)
2 power extension cable (for 2 projectors)
1 DSLR
1 tripod
1 wide-angle lens (borrowed)
Good weather (gloomy or rainy)
shot script