[Applause]
in late February 2006 Jack Dorsey Evan
Williams biz stone and no glass first
discussed the idea of using text
messages to share statuses the original
idea then called status is attributed to
Dorsey in early March of the same year
the name Twitter was chosen for the
service the name is attributed to glass
on March 21st Jack Dorsey sent the first
week in March 2007 Twitter got a bump
from South by Southwest Interactive
usage rose from 20,000 tweets per day to
60,000 per day in 2007 there were
400,000 tweets posted to Twitter per
quarter in 2008 that number skyrocketed
to 100 million tweets per quarter in
June 2008 Twitter launched a
verification program that allowed
celebrities to make their accounts
official today Twitter decides whom to
verify On January 22nd 2010 NASA
astronaut TJ creamer sent the first
unassisted off earth Twitter message
from the International Space Station in
April 2010 Twitter acquired app
developer 8-bits today Twitter has
mobile apps for iPhone iPad Android
Windows Phone blackberry Firefox OS and
the Nokia s40 September 2010 saw the
rollout of new Twitter all told it was
the largest single update - Twitter's
interface at that time here's a look at
Twitter's growth from March 2008 through
September 2011 in June of 2012 Twitter
revealed a redesigned bird logo
originally known as Larry the bird the
icon is now just called the Twitter bird
according to designer Douglas Bowman the
logo resembles a mountain Bluebird on
November 7th 2013 Twitter opened on the
New York Stock Exchange with a valuation
of around thirty 1 billion dollars after
a day of trading in February 2014
Twitter began testing a major profile
redesign reminiscent of Facebook and
GooglePlus layout designs
at the 2014 Academy Awards Ellen
DeGeneres's selfie tweet became the most
retweeted tweet of all time Barack Obama
sat the previous record in 2012
happy birthday Twitter
[Music]