In total, Twitter has raised over US$57 million from venture capitalists. The exact amounts of funding have not been publicly released. Twitter’s first round of funding was for an undisclosed amount that is rumored to have been between $1 million and $5 million.[17] Its B round of funding in 2008 was for $22 million[18] and its C round of funding in 2009 was for $35 million from Institutional Venture Partners and Benchmark Capital along with an undisclosed amount from other investors including Union Square Ventures and Spark Capital.[19] Twitter is backed by Union Square Ventures, Digital Garage, Spark Capital, and Bezos Expeditions.[20]
The Industry Standard has remarked that Twitter’s long-term viability is limited by a lack of revenue.[21] Twitter board member Todd Chaffee forecast that the company could make money from e-commerce noting that many users may want to buy items directly from Twitter since they already use it to get product recommendations and since companies already use it to promote products.[22]
Some of Twitter’s documents covering revenue and user growth were published on TechCrunch after they were retrieved by a hacker. These contained internal projections that in 2009 they would have revenues of $400,000 in the third quarter (Q3) and $4 million in the fourth quarter (Q4) along with 25 million users at the end of the year. The projections for the end of 2013 were $1.54 billion in revenue, $111 million in net earnings, and 1 billion users.[1] No information about how Twitter plans to achieve those numbers has been published.
twitter has been described as akin to a Web-based Internet Relay where can i buy propecia online Chat (IRC) client.[23] The Twitter Web interface uses the Ruby on Rails framework.[24] From the spring of 2007 until 2008 the actual messages were handled by a Ruby persistent queue server called Starling[25] but since 2009 this has been gradually replaced with software written in Scala.[26] The service’s Application programming interface (API) allows other web services and applications to integrate with Twitter.[27] Searches on the system make use of hashtags, words or phrases prefixed with a #. A search for “beer” would turn up all messages that included #beer.[28] Similarly, the @ sign followed by a username allows users to send messages directly to each other. A message with @example would be directed at the user “example” although it can still be read by anyone. [29]
Through SMS, users can communicate with Twitter through five gateway numbers: short codes for the United States, Canada, India, New Zealand, and an Isle of Man-based number for international use. There is also a short code in the United Kingdom which is only accessible to those on the Vodafone network.
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On April 30, 2009, Twitter tweaked its web interface, adding a search bar and a sidebar of Trending Topics—the most common phrases currently appearing in messages. “Every public update sent to Twitter from anywhere in the world 24/7 can be instantly indexed and made discoverable via our newly launched real-time search,” explained Biz Stone. “With this newly launched feature, Twitter has become something unexpectedly important—a discovery engine for finding out what is happening right now
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