With the Twitter initial public offering (IPO) expected to raise at least €1.8bn on the New York Stock Exchange today, here are some facts about the social networking site, from the first tweet to our favourite Irish historical characters on Twitter.
1. First tweet ever sent
The first tweet ever sent was by one of the company's founders Jack Dorsey. @Jack tweeted "just setting up my twttr" on March 21, 2006.
2. Famous Irish historical characters on Twitter
Some of our favourite Irish historical figures take to the Twitter machine to make observations on modern Irish life - and they don't always approve. They include the great leaders Michael Collins @micksadventures and Daniel O'Connell @the__Liberator.
3. The people who will get rich through the IPO
If they aren't very wealthy already, most of Twitter's founders and early bosses will benefit.
Jack Dorsey, co-founder and chairman. His 4.3pc stake is worth about $610m based on the €26 share price. He was chief executive from 2006 to 2008.
Biz Stone, co-founder. While his remaining stake in Twitter is not big enough to be listed in the company's IPO papers, he is understood to have already made millions selling off a bigger chunk of Twitter earlier.
Noah Glass, co-founder. Likely to make the least, He name is not included in any Twitter IPO filings and he is not expected to make much, if any, through the flotation.
Evan Williams, co-founder. He was chief executive from 2008 to 2010 and is set to become a billionaire from the deal. He became Twitter's biggest shareholder when he bought the service through one of his company's. His 10.4pc stake is worth close to $1.5bn.
Dick Costolo is chief executive of Twitter. He joined the company in 2009 as chief operating officer. His stake in Twitter is worth about $200m.
4. Most followed
5. Even 'Jesus' tweets
@Jesus has 500,000 founders. He describes himself on Twitter as a "Carpenter, Healer, God." And 2.2 million #HarryPotter fans follow @Lord_Voldemort7.
6. Most popular tweet
"Four more years" - the words tweeted by the president of the US Barack Obama in November 2012 when he was re-elected for another term. The tweet was shared more than 400,000 within hours of being tweeted.
7. Twitter's IPO is the most talked about since Facebook's
Managers of the IPO have pretty much Facebook-proofed the company - and for good reason. Facebook's share price took a year to recover after its flotation was fraught with problems including issues with share allocations. But Twitter has taken precautions and has priced its shares more conservatively as well as chosen a listing on the New York Stock Exchange over the Nasdaq.
8. Twitter is not profitable
Twitter has never made a profit and it could be a while before it does. Despite this, the company will be valued at about $14bn when it floats. The company's valuation is based on two factors - sustained user growth and a maturing advertising business and neither of these may be realised.
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