Edoardo Cignoli : Twitter Seeks to Expand in San Francisco

As it gears up for an initial public offering, social-media giant Twitter Inc. is looking to expand. It is in discussions with real-estate developer Shorenstein Properties to lease more than 300,000 square feet in a building that neighbors its headquarters in San Francisco.



via WSJ.com: US Business http://online.wsj.com/article/SB10001424052702304176904579111834120993134.html?mod=pls_whats_news_us_business_f