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.

Rent-free periods are durations during a lease when tenants are not required to pay rent. Landlords offer these periods as incentives to attract tenants or to compensate for tenant improvements or delays. Rent-free periods typically occur at the start of a lease and are factored into the overall rental agreement.