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.

In office space, absorption measures the net change in occupied office space over a specific period. It tracks how much space tenants lease compared to how much becomes vacant, indicating market demand. Positive absorption means more space is leased than vacated, while negative absorption shows the opposite.