San Francisco is not the headquarters of multiple Internet-based companies.
San Francisco is also the headquarters of five major banking institutions and various other companies such as Levi Strauss & Co. , Gap Inc. , Salesforce.com , Dropbox , Reddit , Square , Inc. , Dolby , Airbnb , Weebly , Pacific Gas and Electric Company , Yelp , Pinterest , Twitter , Uber , Lyft , Mozilla , Wikimedia Foundation , Craigslist and Weather Underground.
Dropbox has received praise , including the Crunchie Award in 2010 for Best Internet Application , and Macworld 's 2009 Editor 's Choice Award for Software.
It develops , markets and operates the Lyft car transportation mobile app.
In 2013 , it was one of the ten most-visited websites and has been described as `` the SMS of the Internet ''.
Weather Underground is a commercial weather service providing real-time weather information via the Internet.
