In this case, the net zero movement would go from being an inspiring rarity to a trend worth watching.

FORBES: With Hines La Jolla Project, Net Zero Comes to Larger Office Buildings

Head-tracking ensures the position of the player and sends the virtual ball into the right area of the net with each movement.

FORBES: Connect

So, for instance a Whistler painting of a bridge may have the obvious keywords such as bridge and Whistler associated to it but will also widen the search net with terms such as aesthetic movement, 19th century and water.

BBC: NEWS | Technology | Smart search lets art fans browse