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During the second quarter of calendar 2013, Twitter had 150.9 billion Timeline Views, up 69 percent from the previous quarter.
Twitter defined Timeline Views as "as the total number of timelines requested when registered users visit Twitter, refresh a timeline or view search results while logged in on our website, mobile website or desktop or mobile applications."
There are a few caveats to that definition. For example, witter clarified that these figures exclude TweetDeck and the Twitter client for Mac because Twitter does "not fully track this data."
Advertising is absolutely crucial to defending Twitter's value. Some of its more notable schemes include Promoted Tweets, Promoted Accounts, and most recently, targeted advertising tied to television programming.
Do you remember your first Tweet? Well, we all got a look at the first Tweet from anyone in Twitter's S-1 filing, courtesy of co-founder Jack Dorsey. He didn't even use up all of the 140-character spaces at his disposal.
(He also appeared to be a fan of that Web 2.0/3.0 trend of dropping the vowels. Let's all rejoice that they kept those in the official moniker after all.)