Interesting Numbers From Twitter's IPO For a while, Twitter users only had to worry about one number: 140, the maximum number of characters allowed in a tweet. Now that Twitter Inc. has become a publicly traded company, plenty of other numbers have taken center stage. Here are some interesting figures from Twitter Inc.'s historic IPO: $1.8 billion: The amount that Twitter Inc. raised for itself on Wednesday night. $13.1 billion: The amount that Twitter's market value grew on its first day of trading Thursday. 35: The percentage of people who think Twitter will be successful in five years, according to an AP-CNBC poll. 55: The percentage of people who have never noticed an ad on Twitter. $26: The share price offered to institutional investors Wednesday night. $44.90: The closing price of Twitter shares on Thursday. $30: What Pivotal Research analyst Brian Wieser says Twitter shares are worth. 232 million: The number of monthly active Twitter users in the quarter through September. 39: The percentage growth in active users from a year ago. $134.47: The market value of each Twitter user. 2006: The year the first tweet went out. 2015: The year most analysts expect Twitter to become profitable. 28: The multiple used to value Twitter based on its 2013 projected revenue at its IPO price. 16: The multiple Facebook shares trade at based on 2013 projected revenue 7: What Google's shares trade at based on 2013 projected revenue. 117.7 million: The number of Twitter shares that changed hands Thursday. 70 million: The number of shares Twitter actually issued, excluding optional additional shares based on demand. $2.56 billion: The value of co-founder Evan Williams' shares. $1.05 billion: The value of chairman Jack Dorsey's shares. $345 million: The value of CEO Dick Costolo's shares. $0: The value of two scratch-off California lottery tickets found on a rough street outside of Twitter's San Francisco headquarters.