Twitter Logo — Twitter is a microblogging , based in San Francisco (California) , with branches in San Antonio (Texas) and Boston ( Massachusetts ) in the United States . Twitter, Inc. was originally created in California, but is under the jurisdiction of Delaware since 2007. From that Jack Dorsey created it in March 2006 and launched it in July the same year the network has gained popularity worldwide and is estimated which has more than 200 million users, generating 65 million tweets a day and handles more than 800,000 search requests daily. has been dubbed the ” SMS of Internet . “

The network can send messages to plain text low size with a maximum of 140 characters called tweets , which are displayed in the user’s home page.Users can subscribe to the tweets of other users — this is called “forward” and subscribers are called “followers” or tweeps (‘Twitter’ + ‘ peeps ‘). By default, messages are public and can only spread showing them privately to supporters. Users can tweet from the web service from official external applications (such as for smartphones ), or by Short Message Service (SMS) available in certain countries. While the service is free, access it via SMS involves support rates fixed by the supplier of mobile telephony .

Twitter started as a research and development within Obvious , LLC, a small start-up of San Francisco in March 2006. The original name of the product wastwttr , inspired by Flickr . At first it was used internally by the developer until he officially launched the public in October of that year. The service rapidly gained adherents, and in March 2007 won the South by Southwest Web Award in the category of blog .

Jack Dorsey is the father of this web application and current Chairman of the Board of Directors of Twitter, Inc. , a company that grew out of Obvious, LLC and the success of Twitter. In early 2008, the Twitter team was composed of 18 persons, in 2009, Twitter has increased its staff by four and growing. Although Twitter was used for a short period of time advertising services like AdSense from Google , the company decided to discard the advertising revenue to increase the number of users, and funded in the meantime companies with investments of risk capital . In September 2009, Twitter announced changes to the conditions of service, leaving open the possibility of advertising on their services.

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