For decades, the majority of startup culture seemed to focus on the activities of businesses based in Silicon Valley. From Listia to Evernote, Silicon Valley is a hotbed for some of the today's most popular tech companies.

Gross area is the total area of a building, measured from the outer walls. It includes all spaces, both usable and non-usable, such as hallways, elevators, and staircases. This measurement helps determine the overall size of the building, which is important for leasing or selling property.