All your tweets that have made today has a specialty because it's the Birthday Of Twitter.The First Public Tweet from Twitter was sent by Jack Dorsey On 2006 March 21. And it is the 6th Happy Birthday of Twitter as a Micro Blogging Platform. Jack's First Tweet was as shown in the following image.
Twitter 3 years, 2 months and 1 day to reach the First Billion Tweets, and it took about 18 months for the first 500,000 users to sign up.Last time Twitter itself shared the number of registered users for the service was in April 2011, when they announced that more than 200 Million People had signed up.
In this 6 years, Twitter has become a Internet Giant through their Micro Blogging Service and its going to take more improvements day by day. It has a nice growth and development as a active company. According to eMarketer, Twitter’s advertising revenue is to triple by 2014, hitting over $540 million (now it is estimated as $260 million).
And it had also acquired the Blogging Platform, Posterous recently and hope that is a part of development which twitter is going to get. So we could expect more than a Micro Blogging platform and it's related embeds.