The social media giant took over multiple floors of the former Furniture Mart on Market Street between 9th and 10th streets after San Francisco Mayor Ed Lee brokered a deal to keep the company in the city. It's part of the mayor's plan to revitalize Market Street.
Couric has embraced Twitter and talked to the company about how she plans on using Twitter on her upcoming day time talk show "Katie." It premiers on Sept.10 on ABC7.
