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.

Net office space refers to the actual usable area within an office building. It excludes shared spaces such as hallways, restrooms, and stairways. Tenants use this space for desks, meeting rooms, and other work-related activities. It's a key metric for understanding the functional size of an office.