Happy 10th birthday Twitter! 10 famous entrepreneurs' first tweets

For us social media addicts, it's hard to imagine a world without Twitter, but before this day 10 years ago the social network wasn't publicly available. Fast forward a decade and the site is used by thousands of small business owners and entrepreneurs.

To celebrate the 10th anniversary of Twitter's public launch on 15 July 2006, see below for 10 first tweets from famous entrepreneurs.

But before that, check out what the site looked like on its first day in the world!

The very first tweet was sent by Twitter co-founder Jack Dorsey on 21 March 2006

just setting up my twttr

"" Jack (@jack) March 21, 2006

We couldn't resist including our founder, Emma Jones, who joined the site in 2008.

Just getting started on Twitter!

"" Emma Jones (@emmaljones) May 9, 2008

Dragons' Den star Deborah Meaden once told Dan Martin, our head of content, that she wouldn't ever tweet. She gave in though on 3 October 2011 and her first tweet was, appropriately, a reply to her former Den colleague Theo Paphitis.

@TheoPaphitis the egg has gone...

"" Deborah Meaden (@DeborahMeaden) October 3, 2011

Sir Richard Branson's first post was an update about his children's attempt to break the trans-Atlantic sailing record.

It's cold and will only get worse but at the moment it's bearable.

Holly and Sam are coping well as are the rest of the crew.

"" Richard Branson (@richardbranson) October 22, 2008

Television presenter and entrepreneur Oprah Winfrey was so excited to join Twitter that she left CAPS LOCK on.

HI TWITTERS . THANK YOU FOR A WARM WELCOME. FEELING REALLY 21st CENTURY .

"" Oprah Winfrey (@Oprah) April 17, 2009

It may have taken Microsoft founder Bill Gates four years to join Twitter, but in his first four hours on the site he attracted 25,000 followers.

"Hello World."
Hard at work on my foundation letter - publishing on 1/25.

"" Bill Gates (@BillGates) January 19, 2010

Rob Law, founder of ride-on children's suitcase brand Trunki, arrived on Twitter in style with this brilliant first tweet.

This is my first tweet..................um..............oh.......................dam run out of characters!

"" Rob Law (@trunkidaddy) October 21, 2010

Theo Paphitis had enough of the imposters and jumped on board the good ship Twitter in September 2010.

Hi Twitterland, I have just taken over this account. I'm the real Theo, follow me

"" Theo Paphitis (@TheoPaphitis) September 17, 2010

One of Britain's internet pioneers, Lastminute.com founder Martha Lane Fox ironically joined Twitter with a post about books of the printed variety.

contemplating the 30 books i have just read as one of the orange prize for fiction judges.. we have to create the longlist tomorrow

"" martha lane fox (@Marthalanefox) March 3, 2009

Facebook founder Mark Zuckerberg has so far resisted the temptation to join Twitter but his sister Randi was an early tweeter in 2008.

excited about the premiere of our Rock Band music video today! Thanks to everyone who watched it!

"" Randi Zuckerberg (@randizuckerberg) March 12, 2008

Want to boost your social media strategy? Come to our digital business bootcamps in London and Birmingham on 20 and 27 July. Book a place here.